SELECT 
  * 
FROM 
  jmj_product_feature_variants 
WHERE 
  variant_id IN (
    2638, 3149, 3150, 3152, 3155, 563, 568, 
    570, 571, 574, 460, 462, 477, 479, 473, 
    474, 580, 581, 582, 469, 470, 483, 487, 
    463, 464, 471, 586, 590, 601, 604, 605, 
    624, 618, 626, 634, 455, 714, 727, 731, 
    735, 738, 742, 744, 746, 2831, 2833, 
    2838, 2839, 2841, 2850, 2852, 2854, 
    2853, 2848, 2849, 2857, 2860, 2864, 
    2865, 2878, 2879, 2882, 2883, 2885, 
    2871, 2873, 1688, 1689, 1690, 1691, 
    1692, 1693, 1701, 1703, 1704, 2103, 
    2104, 2105, 2107, 2108, 2112, 2113, 
    2116, 2117, 2118, 2120, 2125, 2128, 
    2147, 2148, 2149, 2153, 2164, 2179, 
    2190, 2220, 766
  )

Query time 0.00116

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "232.81"
    },
    "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": 97,
      "rows_produced_per_join": 97,
      "filtered": "100.00",
      "index_condition": "(`jmj_test`.`jmj_product_feature_variants`.`variant_id` in (2638,3149,3150,3152,3155,563,568,570,571,574,460,462,477,479,473,474,580,581,582,469,470,483,487,463,464,471,586,590,601,604,605,624,618,626,634,455,714,727,731,735,738,742,744,746,2831,2833,2838,2839,2841,2850,2852,2854,2853,2848,2849,2857,2860,2864,2865,2878,2879,2882,2883,2885,2871,2873,1688,1689,1690,1691,1692,1693,1701,1703,1704,2103,2104,2105,2107,2108,2112,2113,2116,2117,2118,2120,2125,2128,2147,2148,2149,2153,2164,2179,2190,2220,766))",
      "cost_info": {
        "read_cost": "213.41",
        "eval_cost": "19.40",
        "prefix_cost": "232.81",
        "data_read_per_join": "150K"
      },
      "used_columns": [
        "variant_id",
        "feature_id",
        "url",
        "color",
        "position",
        "abt__ut2_color_style",
        "abt__ut2_multicolor"
      ]
    }
  }
}