UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/GSeZzq3tAixanrAyTp1cMTwUxx2QWpgneZ9raJ1M7E=' 
WHERE 
  key_id = 'a16eca3b93c8a8ffeae5a7150bd71392807c0fe7b4266dcd526223839d7b93fa' 
  AND (
    token = '/GSeZzq3tAixanrAyTp1cMTwUxx2QWpgneZ9raJ1M7E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )