UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'df/Rp4HJzayGs3F6U+PVuAzHhPTQlTW6nkxpVG/+wyU=' 
WHERE 
  key_id = '939a36c1185c90c6dcb3fb914fa47c1fe895c198940dbe048400b05249d28bae' 
  AND (
    token = 'df/Rp4HJzayGs3F6U+PVuAzHhPTQlTW6nkxpVG/+wyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )