UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C327IujlOkKzKeBMKCEGECPmZi6y/o2lYmSQPsgi0EE=' 
WHERE 
  key_id = '6d7f9e1b941dce62e2ac2ae3784dd7be1863d56b0b65384b58817862338aa438' 
  AND (
    token = 'C327IujlOkKzKeBMKCEGECPmZi6y/o2lYmSQPsgi0EE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )