UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r68eEZrPL66IANOKDNIHdhFLKuZEewbvdWz7USftKyQ=' 
WHERE 
  key_id = '23b1e13188a0a7368da4049cce530a5b06002640b400d4604c89705cc375a930' 
  AND (
    token = 'r68eEZrPL66IANOKDNIHdhFLKuZEewbvdWz7USftKyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )