UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uEeMVyV9Q3rq+h9ccLXhq+HTvy9Qh49STHfxnF+RwH4=' 
WHERE 
  key_id = '3b68913caa7d0712555efe6e67b7d132beef0e20432b64f815d2bf0787931749' 
  AND (
    token = 'uEeMVyV9Q3rq+h9ccLXhq+HTvy9Qh49STHfxnF+RwH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )