UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yZn0Wbt4xlzbjm7JFId3OIDpWuwx9csZNuHS+scAr3U=' 
WHERE 
  key_id = '83ad97baf091835bc29ac907367055142850c2b5cc2439f211868b335d57f3f3' 
  AND (
    token = 'yZn0Wbt4xlzbjm7JFId3OIDpWuwx9csZNuHS+scAr3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )