cron.py

from .models import OrderItem
from datetime import timedelta,datetime

def expired_order_items():
  #get time now
  time_now = datetime.now()
  #querry order items with expired set to false
  qs = OrderItem.objects.filter(expired=False)
  
  #for items in qs:
  for item in qs:
    #set expiry date = orderitem .date created + timedelta(minutes=2)
    expiry_date = item.date_created + timedelta(minutes=2)
      #check if time now < expiry date:
    if time_now >= expiry_date:
      #set expired field to true
      item.expired = True
      # delete order item
      item.delete()