UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPAVZuk9nIWAhlxa8ZjuYP+JEokNGJTTwjQ2Y0TG7gw=' 
WHERE 
  key_id = 'd7618541a1300d52b46f71f1e73f0df8abbf234a5864e810797f83401393c7a6' 
  AND (
    token = 'PPAVZuk9nIWAhlxa8ZjuYP+JEokNGJTTwjQ2Y0TG7gw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )