UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Db5adYADUPk/jw+Ovufj/p2QmyBk/PDhqeL2RCAPYZM=' 
WHERE 
  key_id = '496f0094594a06c12ac6646cc628740719daeb418123ea4caa56f953ab849f20' 
  AND (
    token = 'Db5adYADUPk/jw+Ovufj/p2QmyBk/PDhqeL2RCAPYZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )