SELECT 
  jmj_bm_snapping.grid_id as grid_id, 
  jmj_bm_snapping.block_id as block_id, 
  IFNULL(
    dynamic_object_content.content, 
    default_content.content
  ) as content, 
  IFNULL(
    dynamic_object_content.object_id, 
    default_content.object_id
  ) AS object_id, 
  IFNULL(
    dynamic_object_content.object_type, 
    default_content.object_type
  ) AS object_type, 
  jmj_bm_block_statuses.object_ids as object_ids, 
  jmj_bm_snapping.*, 
  jmj_bm_blocks.*, 
  jmj_bm_blocks_descriptions.* 
FROM 
  jmj_bm_snapping 
  LEFT JOIN jmj_bm_blocks ON jmj_bm_blocks.block_id = jmj_bm_snapping.block_id 
  LEFT JOIN jmj_bm_block_statuses ON jmj_bm_snapping.snapping_id = jmj_bm_block_statuses.snapping_id 
  AND jmj_bm_block_statuses.object_type LIKE '' 
  LEFT JOIN jmj_bm_blocks_descriptions ON jmj_bm_blocks.block_id = jmj_bm_blocks_descriptions.block_id 
  LEFT JOIN jmj_bm_blocks_content AS default_content ON jmj_bm_blocks.block_id = default_content.block_id 
  AND jmj_bm_blocks_descriptions.lang_code = default_content.lang_code 
  AND default_content.snapping_id = 0 
  AND default_content.object_id = 0 
  AND default_content.object_type like '' 
  LEFT JOIN jmj_bm_blocks_content AS dynamic_object_content ON jmj_bm_blocks.block_id = dynamic_object_content.block_id 
  AND jmj_bm_blocks_descriptions.lang_code = dynamic_object_content.lang_code 
  AND dynamic_object_content.object_id = 0 
  AND dynamic_object_content.object_type like '' 
WHERE 
  jmj_bm_snapping.grid_id IN (
    6192, 6193, 6194, 6195, 6197, 6196, 6198, 
    6201, 6202, 6207, 6847, 6206, 6204, 
    6208, 6203, 6205, 6846, 6209, 6212, 
    6215, 6216, 6217, 6877, 6883, 6890, 
    6228, 6229, 6879, 6885, 6891, 6894, 
    6868, 6884, 6880, 6886, 6892, 6213, 
    6881, 6887, 6893, 6895, 6882, 6888, 
    6210, 6878, 6889, 6211, 6214, 6219, 
    6220, 6222, 6218, 6225, 6221, 6223, 
    6224, 6226, 6227
  ) 
  AND jmj_bm_blocks_descriptions.lang_code = 'en' 
ORDER BY 
  jmj_bm_snapping.order, 
  jmj_bm_snapping.block_id

Query time 0.00564

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "6803.48"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "2368.00"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "jmj_bm_snapping",
            "access_type": "range",
            "possible_keys": [
              "grid_id"
            ],
            "key": "grid_id",
            "used_key_parts": [
              "grid_id"
            ],
            "key_length": "4",
            "rows_examined_per_scan": 148,
            "rows_produced_per_join": 148,
            "filtered": "100.00",
            "index_condition": "(`jmj_test`.`jmj_bm_snapping`.`grid_id` in (6192,6193,6194,6195,6197,6196,6198,6201,6202,6207,6847,6206,6204,6208,6203,6205,6846,6209,6212,6215,6216,6217,6877,6883,6890,6228,6229,6879,6885,6891,6894,6868,6884,6880,6886,6892,6213,6881,6887,6893,6895,6882,6888,6210,6878,6889,6211,6214,6219,6220,6222,6218,6225,6221,6223,6224,6226,6227))",
            "cost_info": {
              "read_cost": "235.61",
              "eval_cost": "29.60",
              "prefix_cost": "265.21",
              "data_read_per_join": "114K"
            },
            "used_columns": [
              "snapping_id",
              "block_id",
              "grid_id",
              "wrapper",
              "user_class",
              "order",
              "status"
            ]
          }
        },
        {
          "table": {
            "table_name": "jmj_bm_block_statuses",
            "access_type": "ref",
            "possible_keys": [
              "snapping_id"
            ],
            "key": "snapping_id",
            "used_key_parts": [
              "snapping_id"
            ],
            "key_length": "4",
            "ref": [
              "jmj_test.jmj_bm_snapping.snapping_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 148,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "148.00",
              "eval_cost": "29.60",
              "prefix_cost": "442.81",
              "data_read_per_join": "17K"
            },
            "used_columns": [
              "snapping_id",
              "object_ids",
              "object_type"
            ],
            "attached_condition": "<if>(is_not_null_compl(jmj_bm_block_statuses), ((`jmj_test`.`jmj_bm_snapping`.`snapping_id` = `jmj_test`.`jmj_bm_block_statuses`.`snapping_id`) and (`jmj_test`.`jmj_bm_block_statuses`.`object_type` like '')), true)"
          }
        },
        {
          "table": {
            "table_name": "jmj_bm_blocks",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "jmj_test.jmj_bm_snapping.block_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 148,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "148.00",
              "eval_cost": "29.60",
              "prefix_cost": "620.41",
              "data_read_per_join": "32K"
            },
            "used_columns": [
              "block_id",
              "type",
              "properties",
              "company_id",
              "storefront_id"
            ]
          }
        },
        {
          "table": {
            "table_name": "jmj_bm_blocks_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id",
              "lang_code"
            ],
            "key_length": "10",
            "ref": [
              "jmj_test.jmj_bm_snapping.block_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 148,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "148.00",
              "eval_cost": "29.60",
              "prefix_cost": "798.01",
              "data_read_per_join": "30K"
            },
            "used_columns": [
              "block_id",
              "lang_code",
              "name"
            ]
          }
        },
        {
          "table": {
            "table_name": "default_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id",
              "snapping_id",
              "lang_code",
              "object_id"
            ],
            "key_length": "18",
            "ref": [
              "jmj_test.jmj_bm_snapping.block_id",
              "const",
              "jmj_test.jmj_bm_blocks_descriptions.lang_code",
              "const"
            ],
            "rows_examined_per_scan": 2,
            "rows_produced_per_join": 296,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "443.63",
              "eval_cost": "59.20",
              "prefix_cost": "1300.84",
              "data_read_per_join": "64K"
            },
            "used_columns": [
              "snapping_id",
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ],
            "attached_condition": "<if>(is_not_null_compl(default_content), (`jmj_test`.`default_content`.`object_type` like ''), true)"
          }
        },
        {
          "table": {
            "table_name": "dynamic_object_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "jmj_test.jmj_bm_snapping.block_id"
            ],
            "rows_examined_per_scan": 8,
            "rows_produced_per_join": 2368,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "2661.04",
              "eval_cost": "473.60",
              "prefix_cost": "4435.48",
              "data_read_per_join": "518K"
            },
            "used_columns": [
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ],
            "attached_condition": "<if>(is_not_null_compl(dynamic_object_content), ((`jmj_test`.`dynamic_object_content`.`object_id` = 0) and (`jmj_test`.`dynamic_object_content`.`lang_code` = `jmj_test`.`jmj_bm_blocks_descriptions`.`lang_code`) and (`jmj_test`.`dynamic_object_content`.`object_type` like '')), true)"
          }
        }
      ]
    }
  }
}