UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xW7mbWoW26qjv3Wpxcx8iCBaStwZB7kAz7e/6IZVcTU=' 
WHERE 
  key_id = '519824d26fc9ac066c97153942d135d73fe0a1ed111f520dde487a9f71e8be35' 
  AND (
    token = 'xW7mbWoW26qjv3Wpxcx8iCBaStwZB7kAz7e/6IZVcTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )