UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tz7bUpMS1i4gB8VDU8wgSxUsW5svTMvYDPS6foIEe2o=' 
WHERE 
  key_id = '3e4ff68509a172fc3e9c08bd28339e92b719a9c2099c25a845a3dc8cae7439bf' 
  AND (
    token = 'Tz7bUpMS1i4gB8VDU8wgSxUsW5svTMvYDPS6foIEe2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )