UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zNHiJQD13GIAnV80dMb7orWAm3TtcIiOrweuaoKuvkI=' 
WHERE 
  key_id = '91d34d7e5a19b0617c5fae960070e392e7cfa70052d799561d1860a1201bcb9b' 
  AND (
    token = 'zNHiJQD13GIAnV80dMb7orWAm3TtcIiOrweuaoKuvkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )