UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2+vOOqcFqEJRkBGRcpRz4HhRasuMqzp2GTrDbORoNns=' 
WHERE 
  key_id = '946274a7a89d8a772cdf251dc9a3be563256360925084b7115c41142940fc742' 
  AND (
    token = '2+vOOqcFqEJRkBGRcpRz4HhRasuMqzp2GTrDbORoNns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )