UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UhmarD9jSPEFl2TQ1lh2ZzgVDPG2B2QiQndhMTjUQWA=' 
WHERE 
  key_id = '2b75eda897f6a14341f22407cd3d8cc486e01ab9c5a46e551f3d06cd9bec5bd8' 
  AND (
    token = 'UhmarD9jSPEFl2TQ1lh2ZzgVDPG2B2QiQndhMTjUQWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )