SELECT 
  jmj_product_feature_variant_descriptions.*, 
  jmj_product_feature_variants.*, 
  jmj_product_feature_variants.abt__ut2_multicolor, 
  jmj_product_feature_variants.abt__ut2_color_style 
FROM 
  jmj_product_feature_variants 
  LEFT JOIN jmj_product_feature_variant_descriptions ON jmj_product_feature_variant_descriptions.variant_id = jmj_product_feature_variants.variant_id 
  AND jmj_product_feature_variant_descriptions.lang_code = 'en' 
WHERE 
  1 
  AND jmj_product_feature_variants.feature_id IN (31) 
ORDER BY 
  jmj_product_feature_variants.position, 
  jmj_product_feature_variant_descriptions.variant 
LIMIT 
  0, 6

Query time 0.00174

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "57.60"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "nested_loop": [
        {
          "table": {
            "table_name": "jmj_product_feature_variants",
            "access_type": "ref",
            "possible_keys": [
              "feature_id"
            ],
            "key": "feature_id",
            "used_key_parts": [
              "feature_id"
            ],
            "key_length": "3",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 24,
            "rows_produced_per_join": 24,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "24.00",
              "eval_cost": "4.80",
              "prefix_cost": "28.80",
              "data_read_per_join": "37K"
            },
            "used_columns": [
              "variant_id",
              "feature_id",
              "url",
              "color",
              "position",
              "abt__ut2_color_style",
              "abt__ut2_multicolor"
            ]
          }
        },
        {
          "table": {
            "table_name": "jmj_product_feature_variant_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "jmj_test.jmj_product_feature_variants.variant_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 24,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "24.00",
              "eval_cost": "4.80",
              "prefix_cost": "57.60",
              "data_read_per_join": "72K"
            },
            "used_columns": [
              "variant_id",
              "variant",
              "description",
              "page_title",
              "meta_keywords",
              "meta_description",
              "lang_code",
              "company_id",
              "vendor_brand_id"
            ]
          }
        }
      ]
    }
  }
}