UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+JU+bLeWPHgX5Rbrx9S21dNo8N7wgQoFgtb+it2Yik=' 
WHERE 
  key_id = '175a89477d023c81caa0f64733ca887c327b4098fda7ae4ee221bb71d2662303' 
  AND (
    token = 'U+JU+bLeWPHgX5Rbrx9S21dNo8N7wgQoFgtb+it2Yik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )