SELECT 
  * 
FROM 
  jmj_product_feature_variants 
WHERE 
  variant_id IN (
    3149, 3150, 3158, 3231, 3233, 3245, 3246, 
    3247, 2103, 2104, 2105, 2106, 2107, 
    2110, 2112, 2113, 2114, 2115, 2116, 
    2117, 2118, 2119, 2120, 2121, 2122, 
    2123, 2125, 2126, 2127, 2128, 2129, 
    2131, 2132, 2133, 2135, 2136, 2137, 
    2141, 2143, 2144, 2145, 2148, 2150, 
    2151, 2153, 2154, 2155, 2163, 2164, 
    2174, 2176, 2179, 2180, 2181, 2182, 
    2183, 2185, 2194, 2195, 2196, 2197, 
    2201, 2202, 2203, 2204, 2205, 2206, 
    2207, 2208, 2209, 2210, 2211, 2212, 
    2213, 2214, 2222, 2224, 2229, 2230, 
    2231, 2232, 2235, 2237, 2238, 2239, 
    3238, 766
  )

Query time 0.01112

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "208.81"
    },
    "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": 87,
      "rows_produced_per_join": 87,
      "filtered": "100.00",
      "index_condition": "(`jmj_test`.`jmj_product_feature_variants`.`variant_id` in (3149,3150,3158,3231,3233,3245,3246,3247,2103,2104,2105,2106,2107,2110,2112,2113,2114,2115,2116,2117,2118,2119,2120,2121,2122,2123,2125,2126,2127,2128,2129,2131,2132,2133,2135,2136,2137,2141,2143,2144,2145,2148,2150,2151,2153,2154,2155,2163,2164,2174,2176,2179,2180,2181,2182,2183,2185,2194,2195,2196,2197,2201,2202,2203,2204,2205,2206,2207,2208,2209,2210,2211,2212,2213,2214,2222,2224,2229,2230,2231,2232,2235,2237,2238,2239,3238,766))",
      "cost_info": {
        "read_cost": "191.41",
        "eval_cost": "17.40",
        "prefix_cost": "208.81",
        "data_read_per_join": "134K"
      },
      "used_columns": [
        "variant_id",
        "feature_id",
        "url",
        "color",
        "position",
        "abt__ut2_color_style",
        "abt__ut2_multicolor"
      ]
    }
  }
}