UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UVuEdoCRdmkx+C3aaO439QSAynww65Jzq7+MhYA7Wk8=' 
WHERE 
  key_id = '7971e76cf996c308e068975541d43b65c31117a543d31d0e08f3e8c489d33de7' 
  AND (
    token = 'UVuEdoCRdmkx+C3aaO439QSAynww65Jzq7+MhYA7Wk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )