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 (
    192, 230, 231, 232, 233, 234, 235, 236, 
    237, 238, 239, 193, 240, 241, 242, 243, 
    194, 195, 198, 199, 77, 82, 84, 85, 83, 
    89, 164, 142, 92, 165, 78, 67
  )

Query time 0.00047

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "f",
      "access_type": "ALL",
      "possible_keys": ["idx_group_id"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "g",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["id"],
      "ref": ["vietpom_dev.f.group_id"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "p",
      "access_type": "ref",
      "possible_keys": ["PRIMARY", "idx_group_id"],
      "key": "idx_group_id",
      "key_length": "3",
      "used_key_parts": ["group_id"],
      "ref": ["vietpom_dev.f.group_id"],
      "rows": 1,
      "filtered": 100,
      "index_condition": "p.product_id in (192,230,231,232,233,234,235,236,237,238,239,193,240,241,242,243,194,195,198,199,77,82,84,85,83,89,164,142,92,165,78,67)"
    }
  }
}