UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/49UJMEccTZ6lJxW0DkiZ8v//lwp+faBt+XpYsPRBoM=' 
WHERE 
  key_id = '7fe4f1c9464be7ea2920c1d70eab4f3762cf8e9ec9f92e2b76010ca4a240b5f6' 
  AND (
    token = '/49UJMEccTZ6lJxW0DkiZ8v//lwp+faBt+XpYsPRBoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )