UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KlDmjH6XQFLbvn+LXmH0NAp+vn37stVSrkn7exbsYW0=' 
WHERE 
  key_id = '2f9472023ec2dd0c72b5686a5dceba03922d98e5e0b02be5ced4bec256108276' 
  AND (
    token = 'KlDmjH6XQFLbvn+LXmH0NAp+vn37stVSrkn7exbsYW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )