UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/ln49UtCUTJf8VEA7LXQrGIHkEe2NjXFacVN6kxmhkQ=' 
WHERE 
  key_id = 'e43812aeaace55ca387d49c07091d2f532eedc8804c4a294d5929ea56efa0369' 
  AND (
    token = '/ln49UtCUTJf8VEA7LXQrGIHkEe2NjXFacVN6kxmhkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )