UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kwz4CLvXPZ+Hx+2jBo4nSfGWyVwzpUKkgpc8KtTZh08=' 
WHERE 
  key_id = '5068402ec8bcf793d1132a62f71f2dbec911e5eef53ac474abb0c1c7e2863d19' 
  AND (
    token = 'Kwz4CLvXPZ+Hx+2jBo4nSfGWyVwzpUKkgpc8KtTZh08=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )