UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zi7l3LWPth55RQhgxSif9jVJ2gocaxkkBt0QCVBTo3A=' 
WHERE 
  key_id = '974966c1b9a9e00de42f64074420788f6aeffc89a185fb45d30e01d49d640fb5' 
  AND (
    token = 'Zi7l3LWPth55RQhgxSif9jVJ2gocaxkkBt0QCVBTo3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )