UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BuFfvaWnxnE9mUUVZPTMIByLiwv2psivMrOKQtp90ak=' 
WHERE 
  key_id = '6bc6ee647de0295cee686635853d3649a6b79b6f25a7242fe38136beff9f80f4' 
  AND (
    token = 'BuFfvaWnxnE9mUUVZPTMIByLiwv2psivMrOKQtp90ak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )