SELECT 
  * 
FROM 
  jmj_product_feature_variants 
WHERE 
  variant_id IN (
    3155, 3246, 3247, 124, 125, 154, 156, 
    159, 161, 162, 164, 165, 132, 137, 77, 
    78, 148, 150, 489, 276, 1675, 1676, 2242, 
    2243, 2244, 2245, 2246, 768, 769, 2250, 
    3156, 771, 2103, 2104, 2109, 2110, 2112, 
    2113, 2114, 2115, 2116, 2120, 2122, 
    2123, 2124, 2125, 2127, 2128, 2131, 
    2138, 2139, 2140, 2141, 2146, 2147, 
    2148, 2150, 2151, 2153, 2161, 2163, 
    2164, 2166, 2168, 2170, 2172, 2179, 
    2186, 2187, 2188, 2189, 2190, 2191, 
    2194, 2197, 2202, 2204, 2205, 2207, 
    2208, 2209, 2210, 2211, 2220, 2223, 
    2226, 766
  )

Query time 0.01109

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 (3155,3246,3247,124,125,154,156,159,161,162,164,165,132,137,77,78,148,150,489,276,1675,1676,2242,2243,2244,2245,2246,768,769,2250,3156,771,2103,2104,2109,2110,2112,2113,2114,2115,2116,2120,2122,2123,2124,2125,2127,2128,2131,2138,2139,2140,2141,2146,2147,2148,2150,2151,2153,2161,2163,2164,2166,2168,2170,2172,2179,2186,2187,2188,2189,2190,2191,2194,2197,2202,2204,2205,2207,2208,2209,2210,2211,2220,2223,2226,766))",
      "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"
      ]
    }
  }
}