def check_token(self, token):
        t = DataToken.get(token)
        return t and datetime.now() <= (t.date + self.expiration_delay)
Equals :meth:`route` with a ``DELETE`` method parameter.
dataset/ETHPy150Open Net-ng/kansha/kansha/authentication/database/forms.py/TokenGenerator.check_token--crossover with--dataset/ETHPy150Open Arelle/Arelle/arelle/webserver/bottle.py/Bottle.delete