UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PT/29qEplGABzbFkv7hY5Ym90NbaQ9j5lYrEbHq5e1M=' 
WHERE 
  key_id = '857532cff2f47f762a2302dfd6a9e24777cbad5afa07c8f02565256edd250733' 
  AND (
    token = 'PT/29qEplGABzbFkv7hY5Ym90NbaQ9j5lYrEbHq5e1M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )