SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    447356, 409718, 416073, 444305, 431857, 
    414754, 410854, 425935, 414771, 453280, 
    405344, 428114
  )

Query time 0.00034

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.0216566,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 12,
          "cost": 0.0216566,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (447356,409718,416073,444305,431857,414754,410854,425935,414771,453280,405344,428114)"
        }
      }
    ]
  }
}