gistfile1.py

tokens = Token.objects.all()
tokenSet = set([x.token for x in tokens])

def make_token(value): 
   tokenInt = random.randrange(1,100000000)
   if tokenInt not in tokenSet: 
      token = Token(token=tokenInt,value=value)
      token.save()
   else: 
      make_token(value)