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 (
    1154, 3315, 3318, 3687, 5076, 4691, 3071, 
    513, 3505, 3319, 3306, 3296, 1172, 1173, 
    4917, 4918, 3500, 3501, 3431, 6948, 
    3499, 3455, 3466, 3454, 3456, 3449, 
    3461, 3441, 3444, 3471, 3442, 3480, 
    3448, 3440, 3467, 3468, 3435, 3476, 
    3447, 3439, 3465, 3446, 3460, 3443, 
    3469, 3464, 3459, 6950, 3470, 3457, 
    3462, 3450, 3458, 3463, 3451, 3445, 
    3472, 3481, 3482, 3475, 3483, 3474, 
    3473, 3426, 6949, 3427, 3477, 3452, 
    3478, 3479, 3453, 3491, 3488, 3497, 
    3495, 3489, 3492, 3496, 3490, 3494, 
    6951, 3502, 3503, 3493, 3498, 3428, 
    5802
  )

Query time 0.00119

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "182.71"
    },
    "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": 87,
          "rows_produced_per_join": 87,
          "filtered": "100.00",
          "index_condition": "(`gaseus`.`p`.`product_id` in (1154,3315,3318,3687,5076,4691,3071,513,3505,3319,3306,3296,1172,1173,4917,4918,3500,3501,3431,6948,3499,3455,3466,3454,3456,3449,3461,3441,3444,3471,3442,3480,3448,3440,3467,3468,3435,3476,3447,3439,3465,3446,3460,3443,3469,3464,3459,6950,3470,3457,3462,3450,3458,3463,3451,3445,3472,3481,3482,3475,3483,3474,3473,3426,6949,3427,3477,3452,3478,3479,3453,3491,3488,3497,3495,3489,3492,3496,3490,3494,6951,3502,3503,3493,3498,3428,5802))",
          "cost_info": {
            "read_cost": "52.21",
            "eval_cost": "8.70",
            "prefix_cost": "60.91",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "gaseus.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 87,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "21.75",
            "eval_cost": "8.70",
            "prefix_cost": "91.36",
            "data_read_per_join": "33K"
          },
          "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": [
            "gaseus.p.group_id"
          ],
          "rows_examined_per_scan": 3,
          "rows_produced_per_join": 261,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "65.25",
            "eval_cost": "26.10",
            "prefix_cost": "182.71",
            "data_read_per_join": "26K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}