UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RIUZSkTGtx6KE2WPJJlawkDATik0RLntK+8TqLtV5ko=' 
WHERE 
  key_id = 'c8f6455904c8a6a2450693b3992f1326079ef99d468eb70b170ad12bddd08e86' 
  AND (
    token = 'RIUZSkTGtx6KE2WPJJlawkDATik0RLntK+8TqLtV5ko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )