UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c/LJYmgTFz4DWvxSwfWm1QX68oDq5x17tWhL55k406E=' 
WHERE 
  key_id = 'b65d951f76dcd8ed331dbdec10951c6a359fb7fcc2b97c3eee642397ae03e026' 
  AND (
    token = 'c/LJYmgTFz4DWvxSwfWm1QX68oDq5x17tWhL55k406E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )