'Call `list_users` with two `password_expires_at` filters.
GET /users?password_expires_at={operator}:{timestamp}&
{operator}:{timestamp}'

def _list_users_by_multiple_password_expires_at(self, first_time, first_operator, second_time, second_operator):

    url = ('/users?password_expires_at=%s:%s&password_expires_at=%s:%s' % (first_operator, first_time, second_operator, second_time))
    return url
