UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/RK/QbrLvEp3o1MEO0vEiMFIkDPwjYPu9La186g1ikE=' 
WHERE 
  key_id = '5c8e6b925f19ad3ac6412d24f529772fd866c6542df43f77ae9f1e612e493670' 
  AND (
    token = '/RK/QbrLvEp3o1MEO0vEiMFIkDPwjYPu9La186g1ikE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )