SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    410868, 452526, 440855, 429487, 429075, 
    407708, 457100, 449639, 427186, 437962, 
    413207, 434226
  )

Query time 0.00044

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 (410868,452526,440855,429487,429075,407708,457100,449639,427186,437962,413207,434226)"
        }
      }
    ]
  }
}