UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MKvGawoCLFgZRmXWoaIiJOYBarcAioCXHgNHM4MiI4=' 
WHERE 
  key_id = '5cc881bf6322a28e23a68b8f7eb73e77137c7d776adb5c675280c91536de73f1' 
  AND (
    token = '4MKvGawoCLFgZRmXWoaIiJOYBarcAioCXHgNHM4MiI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )