UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DNJ5W8VHvjUT/MdP850MjLqTjF5EZnqQq8owybvACv4=' 
WHERE 
  key_id = '87c4c98c853008975b6b4a4910a53272fcc8b45157a976132098abd95c30037f' 
  AND (
    token = 'DNJ5W8VHvjUT/MdP850MjLqTjF5EZnqQq8owybvACv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )