SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    405246, 424357, 430164, 444428, 419787, 
    428029, 441949, 460434, 402472, 433652, 
    426548, 416330
  )

Query time 0.00051

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 (405246,424357,430164,444428,419787,428029,441949,460434,402472,433652,426548,416330)"
        }
      }
    ]
  }
}