UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PwCrQd+GDgjmOQnIvHcRgJNiySHM62tdiOy8UWxhOPA=' 
WHERE 
  key_id = '045c2dbba702d269218e326b8900f3b11a77341c608945e763e059ead39e5b19' 
  AND (
    token = 'PwCrQd+GDgjmOQnIvHcRgJNiySHM62tdiOy8UWxhOPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )