UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QVGU9XHcDJakZ4lXRXdVYJe2JqeQPtnb1oVmNQFc86Y=' 
WHERE 
  key_id = '6e4151494f46792e46ab38ee39becf6b067f048a78b4d6522e1368880dba92e3' 
  AND (
    token = 'QVGU9XHcDJakZ4lXRXdVYJe2JqeQPtnb1oVmNQFc86Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )