SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    425061, 452721, 423069, 441632, 406091, 
    423199, 438052, 454478, 417088, 453292, 
    445552, 424505
  )

Query time 0.00056

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 (425061,452721,423069,441632,406091,423199,438052,454478,417088,453292,445552,424505)"
        }
      }
    ]
  }
}