UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mvk8ztI8eE+gM+Zh4pt9nS9b5sDP5AKuZ+CD5vq7iF8=' 
WHERE 
  key_id = '8b965b39a4ecfd6e2b800ae1b17eeadf775ccf9e34c5b860ce9bfcc8e5a8fe43' 
  AND (
    token = 'Mvk8ztI8eE+gM+Zh4pt9nS9b5sDP5AKuZ+CD5vq7iF8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )