UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QsidtPk55B8H3NoioVwucSNp5JDEDIRkEnF/IoLSv+0=' 
WHERE 
  key_id = '4c16797f38df5ae38580ccf25f708389213e697638423f890be4a9361aebf15e' 
  AND (
    token = 'QsidtPk55B8H3NoioVwucSNp5JDEDIRkEnF/IoLSv+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )