UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kRB8FxuKhVh+9EzasHLTU7gYs6F2PIk3+gEhUxmOVA0=' 
WHERE 
  key_id = '25cebb4ebf02f7408fa3c6d11e49d1e37c9b956117863ecd08de0229e2e9a2d8' 
  AND (
    token = 'kRB8FxuKhVh+9EzasHLTU7gYs6F2PIk3+gEhUxmOVA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )