if order is None: # order - экземлпяр модели
            order = Order(match=self.match, team=self.team)
            order.save()
        obj = storage.get(('orders', str(order.id)), []) # key = ':'.join(key)

        obj.append({"POST":self.POST,
                   "ip": self.ip,
                   "id": order.id,
                   "match": self.match.id,
                   "team": self.team.slug,
                   "user": self.user,
                   'date': datetime.now()})

        storage.set(('orders', str(order.id)), obj)

In [38]: pickle.loads(db['orders:191'])
Out[38]:
[{'POST': <QueryDict: {вырезано}>,
  'date': datetime.datetime(2009, 8, 13, 20, 2, 47, 47338),
  'id': 196L,
  'ip': 'неважно',
  'match': 4029,
  'team': u'audax_italiano',
  'user': u'Spartandr'}]