UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xhu/hc9YypFQtaIEFVrBmOqjbzuUsK7nkcOA+3hBY68=' 
WHERE 
  key_id = 'c9a860d45cbe16ebce0acb9e395cd1a73285730fda600e35802e8de963026c45' 
  AND (
    token = 'xhu/hc9YypFQtaIEFVrBmOqjbzuUsK7nkcOA+3hBY68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )