SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    60753, 63814, 65090, 65092, 65422, 64625, 
    62259, 64624, 65499, 61340, 64850, 
    65498
  )

Query time 0.00054

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": 12,
      "filtered": 100,
      "attached_condition": "cscart_products.product_id in (60753,63814,65090,65092,65422,64625,62259,64624,65499,61340,64850,65498)"
    }
  }
}

Result