UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GnFao7Tpu0HfTrya4uYh7dMTFMgQp7MN2b5Wl92yFPg=' 
WHERE 
  key_id = '812547f861f621b973b8a44d8d7dc440a781ef51bd865d7d65602cedff765541' 
  AND (
    token = 'GnFao7Tpu0HfTrya4uYh7dMTFMgQp7MN2b5Wl92yFPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )