SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10068, 10065, 10061, 10050, 10056, 10044, 
    10069, 10066, 12671, 12672, 15779, 
    12673, 12674, 12675, 12676, 12677, 
    12678, 12679, 10024, 10025, 10026, 
    10027, 10028, 10029, 10030, 10031, 
    10032, 10033, 10034, 10035, 10036, 
    10037
  )

Query time 0.00138

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 32,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (10068,10065,10061,10050,10056,10044,10069,10066,12671,12672,15779,12673,12674,12675,12676,12677,12678,12679,10024,10025,10026,10027,10028,10029,10030,10031,10032,10033,10034,10035,10036,10037)"
    }
  }
}