UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JFzvDOQt1g0UJzkLgRltOXJbiCPKzs6XTTmCzIZ07jU=' 
WHERE 
  key_id = '81d94b7666fef9b2e1771d5b50b5f9cadb80ca6796cbc29c53add361a596529b' 
  AND (
    token = 'JFzvDOQt1g0UJzkLgRltOXJbiCPKzs6XTTmCzIZ07jU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )