UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uu35kBGjsZ8ko9HFwBYEhjGEdJh7O849wGe3nfE+e4Q=' 
WHERE 
  key_id = '81c3dca58bddddf4ca220e440a32c28671a4e93bbd243ab34ff08fa231eaa442' 
  AND (
    token = 'Uu35kBGjsZ8ko9HFwBYEhjGEdJh7O849wGe3nfE+e4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )