UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BpTR1WXiil/lj8lemFAKFcaN7ZE+YBwrccoGqOXPYNw=' 
WHERE 
  key_id = '855a2ba88840cfb539d270a5f8d9b8639d02effb41853b5a66ab02978ea452a6' 
  AND (
    token = 'BpTR1WXiil/lj8lemFAKFcaN7ZE+YBwrccoGqOXPYNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )