UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UajfUGER3++5EONHL2rQQOPAJC4IiYazw5w+ZklBrBU=' 
WHERE 
  key_id = '29f5e8046c3404c349454bb1344f8a491004cac8ce3c96a2e3d65a958191cd96' 
  AND (
    token = 'UajfUGER3++5EONHL2rQQOPAJC4IiYazw5w+ZklBrBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )