UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sXKlm+a0CDMPo2MrxkWCqLdoQv5dzAessAeBmpzLVf4=' 
WHERE 
  key_id = '3c6271553e93af6ae709f3eb45d6a7e5982457b9966414c301435fe15e5f656d' 
  AND (
    token = 'sXKlm+a0CDMPo2MrxkWCqLdoQv5dzAessAeBmpzLVf4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )