UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N+uRxbJvyNhkiajA9nlSJ91SETngOnCkcXjphZgBNhc=' 
WHERE 
  key_id = '3cbc4c78e27c96c7f21051430e2d6a0519dcc9cad6ebf4d69293c9eee922b836' 
  AND (
    token = 'N+uRxbJvyNhkiajA9nlSJ91SETngOnCkcXjphZgBNhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )