如何在收到订单时更新订单数量，但如果已收到订单则将其保留

Hi so I am trying to write a script that receives an order and updates the quantity when the order is received. My problem is I am not sure how to do this without always updating the quantity. For example if the order was already received, it won't update the quantity. Here is a sample of what the output should be. Note: I have most of the script done just need the quantity update part. Hi so I am trying to write a script that receiv