UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15LDfAe9T6AxfWGWMqfc8XSvuxXH3PzOfQDxpdCXrnM=' 
WHERE 
  key_id = 'b9c757d29dd65a50a5a38bb0ea2cb43734b6cd6a72bc7884a455848cdefa6b8e' 
  AND (
    token = '15LDfAe9T6AxfWGWMqfc8XSvuxXH3PzOfQDxpdCXrnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )