UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kn27yxkf82Cw7yExgnj6dgd5Yip8K8iiz8X3xePVqoY=' 
WHERE 
  key_id = 'a29e6e739db66e73113e90ef5b825f922cce61f5151471376d340d80d90f730e' 
  AND (
    token = 'kn27yxkf82Cw7yExgnj6dgd5Yip8K8iiz8X3xePVqoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )