UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ylT7/hnjexrtJjd8VyJrH+OifkfyArIMojn9miX/arU=' 
WHERE 
  key_id = 'a9ce55dad9b6c99523e94dbc0031f8c857a271043b15ae35afb685e59443777b' 
  AND (
    token = 'ylT7/hnjexrtJjd8VyJrH+OifkfyArIMojn9miX/arU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )