UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qx7km6/qDYQ9VvF9jWUdKzUjMrPeobzed5BPWLFLe/Q=' 
WHERE 
  key_id = '81b826980be50582c9aea8f6bf2614443d07fef2cf8ba449a4b23ec8fd9ce784' 
  AND (
    token = 'Qx7km6/qDYQ9VvF9jWUdKzUjMrPeobzed5BPWLFLe/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )