UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'chLD9qwGIkHp9XVQBTmWIpaAn/YimT24QsA8jurEYvo=' 
WHERE 
  key_id = '88732af87455bcef737dcbffaba5544e43b5c5bbf2457a6764837f351dd8723d' 
  AND (
    token = 'chLD9qwGIkHp9XVQBTmWIpaAn/YimT24QsA8jurEYvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )