UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eG25thqHGxyIU09k5O1wtpE8cEEbbgja5xIG+SjVqlE=' 
WHERE 
  key_id = '3c6d9a62420dd5df8ac2ab38bcf5ec34ee3ce571b149acd509eb493ae019bd9d' 
  AND (
    token = 'eG25thqHGxyIU09k5O1wtpE8cEEbbgja5xIG+SjVqlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )