UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4qJTUGHF+cs5USPG/FAtIjVRG9vKegzQkwQt94QPPE=' 
WHERE 
  key_id = '544e8bc6b1c9d24799583a6df9231852485a56f2daaaec67f96d008d56a41089' 
  AND (
    token = 'r4qJTUGHF+cs5USPG/FAtIjVRG9vKegzQkwQt94QPPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )