UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xKEOXiMvI6jxGyLD9A230rFl3QvjcIQw5iBNYGRV+9I=' 
WHERE 
  key_id = '236e32970299e0775c1f07dd022ed0a38c51b2026506b1527f990e201151404e' 
  AND (
    token = 'xKEOXiMvI6jxGyLD9A230rFl3QvjcIQw5iBNYGRV+9I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )