SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    64684, 61166, 62171, 61048, 61322, 64726, 
    64697, 64690, 65096, 61937, 64716, 
    62057, 64722, 64737, 64710, 64365, 
    64732, 64771, 64742, 62272, 64747, 
    62449, 64764, 61428
  )

Query time 0.00060

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": 24,
      "filtered": 100,
      "attached_condition": "cscart_products.product_id in (64684,61166,62171,61048,61322,64726,64697,64690,65096,61937,64716,62057,64722,64737,64710,64365,64732,64771,64742,62272,64747,62449,64764,61428)"
    }
  }
}

Result