SELECT 
  * 
FROM 
  jmj_product_feature_variants 
WHERE 
  variant_id IN (
    2638, 3150, 3155, 3246, 3247, 563, 568, 
    570, 571, 572, 573, 574, 459, 460, 462, 
    476, 477, 479, 478, 473, 474, 475, 579, 
    580, 581, 582, 469, 470, 482, 483, 484, 
    485, 486, 487, 463, 464, 465, 471, 472, 
    586, 590, 591, 592, 1688, 1689, 1690, 
    1691, 1692, 1693, 2103, 2104, 2105, 
    2106, 2107, 2108, 2110, 2111, 2112, 
    2113, 2114, 2115, 2117, 2118, 2119, 
    2120, 2122, 2125, 2126, 2131, 2135, 
    2136, 2147, 2164, 2165, 2175, 2179, 
    2190, 2194, 2220, 2222, 2223, 766
  )

Query time 0.00852

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "196.81"
    },
    "table": {
      "table_name": "jmj_product_feature_variants",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "variant_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 82,
      "rows_produced_per_join": 82,
      "filtered": "100.00",
      "index_condition": "(`jmj_test`.`jmj_product_feature_variants`.`variant_id` in (2638,3150,3155,3246,3247,563,568,570,571,572,573,574,459,460,462,476,477,479,478,473,474,475,579,580,581,582,469,470,482,483,484,485,486,487,463,464,465,471,472,586,590,591,592,1688,1689,1690,1691,1692,1693,2103,2104,2105,2106,2107,2108,2110,2111,2112,2113,2114,2115,2117,2118,2119,2120,2122,2125,2126,2131,2135,2136,2147,2164,2165,2175,2179,2190,2194,2220,2222,2223,766))",
      "cost_info": {
        "read_cost": "180.41",
        "eval_cost": "16.40",
        "prefix_cost": "196.81",
        "data_read_per_join": "126K"
      },
      "used_columns": [
        "variant_id",
        "feature_id",
        "url",
        "color",
        "position",
        "abt__ut2_color_style",
        "abt__ut2_multicolor"
      ]
    }
  }
}