UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/rFWgmPdtG9aVaGTTg6X2BI46a1Gc4azGnJquk2Y/OI=' 
WHERE 
  key_id = '539cf6aa55bf990be813f3724700dfda69d48734e7a0485ec114931439aaa779' 
  AND (
    token = '/rFWgmPdtG9aVaGTTg6X2BI46a1Gc4azGnJquk2Y/OI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )