SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    430938, 431208, 431241, 431335, 431447, 
    430727, 430973, 430985, 431292, 430752, 
    430757, 430942, 431383, 431488, 431502, 
    430978, 431017, 431210, 431236, 431330, 
    430719, 430929, 431227, 431235, 431427, 
    431466, 430630, 430632, 431263, 431482, 
    430943, 431040, 430955, 431415, 431018, 
    431069, 431364, 430693, 430971, 431361, 
    431378, 381708, 431281, 431421, 431302, 
    431385, 431285, 431369, 430717, 430785, 
    431212, 431402, 430725, 430833, 430941, 
    431086, 430736, 430987, 431384, 430724, 
    430733, 431229, 431300, 431377, 431472, 
    430721, 431223, 431253, 431181, 431454, 
    430682, 430951, 430956, 431081, 431431, 
    431225, 431468, 381715, 431387, 431446, 
    430716, 431401, 431438, 431143, 431382, 
    431412, 431430, 431058, 431170, 430945, 
    431215, 431460, 431224, 431294, 431310, 
    431312, 431367, 431450, 339768, 430731
  )

Query time 0.00105

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "430.18"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "p",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 100,
          "rows_produced_per_join": 100,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "120.12",
            "eval_cost": "20.00",
            "prefix_cost": "140.12",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ],
          "attached_condition": "(`webmarco`.`p`.`product_id` in (430938,431208,431241,431335,431447,430727,430973,430985,431292,430752,430757,430942,431383,431488,431502,430978,431017,431210,431236,431330,430719,430929,431227,431235,431427,431466,430630,430632,431263,431482,430943,431040,430955,431415,431018,431069,431364,430693,430971,431361,431378,381708,431281,431421,431302,431385,431285,431369,430717,430785,431212,431402,430725,430833,430941,431086,430736,430987,431384,430724,430733,431229,431300,431377,431472,430721,431223,431253,431181,431454,430682,430951,430956,431081,431431,431225,431468,381715,431387,431446,430716,431401,431438,431143,431382,431412,431430,431058,431170,430945,431215,431460,431224,431294,431310,431312,431367,431450,339768,430731))"
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "webmarco.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 100,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "100.00",
            "eval_cost": "20.00",
            "prefix_cost": "260.12",
            "data_read_per_join": "39K"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "f",
          "access_type": "ref",
          "possible_keys": [
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "webmarco.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 141,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "141.72",
            "eval_cost": "28.34",
            "prefix_cost": "430.18",
            "data_read_per_join": "14K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}