UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PavD+9+lIZJv35rIC8CH6wS3oc2ERFrBcwDiQSyE9yQ=' 
WHERE 
  key_id = '52a49a592207253dfec71fb3b79d9b6fa47c71ca421503d048e1df31d2e4f3dc' 
  AND (
    token = 'PavD+9+lIZJv35rIC8CH6wS3oc2ERFrBcwDiQSyE9yQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )