UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UEmnutWETFYWB25nMU0+BwfuZUS3MczIT+FhzsopqrI=' 
WHERE 
  key_id = '300504b36c8c8ce7763c8de35b833d6c0c059af9097f297457b77c31c15c1614' 
  AND (
    token = 'UEmnutWETFYWB25nMU0+BwfuZUS3MczIT+FhzsopqrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )