UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WxaWdwxFqontBQU4w7WM6wjtLzHB2rbtyl12qxWB7XU=' 
WHERE 
  key_id = 'c83eec28350e9c5756945f64bcd4dacd67978b1e6890b5059ca7d14440317f36' 
  AND (
    token = 'WxaWdwxFqontBQU4w7WM6wjtLzHB2rbtyl12qxWB7XU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )