UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRG6veXlUVmBx0mHVWIDQVVGff7zrSzvJJwOz7K7Rc0=' 
WHERE 
  key_id = '82e679512fabfeb0a492211762044d9b69c6fc5963721e8ffc1d64cbc98892af' 
  AND (
    token = 'KRG6veXlUVmBx0mHVWIDQVVGff7zrSzvJJwOz7K7Rc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )