UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eLaXlGWVbYm0YLaLtrzgIXVchpzI+FnholsSzVoJbsE=' 
WHERE 
  key_id = '6939c53bac52a9794da91b64d701499aa6c1b49028ff39a46f2ed038205036ca' 
  AND (
    token = 'eLaXlGWVbYm0YLaLtrzgIXVchpzI+FnholsSzVoJbsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )