UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bu4yVXS8OUYeFi8feKYMv5RZslWTT4DIhplc1oNY7cs=' 
WHERE 
  key_id = '9ff1f3d1a43cd288dfc7966be6fda4611935c2293ef097087610648dba70c1c9' 
  AND (
    token = 'Bu4yVXS8OUYeFi8feKYMv5RZslWTT4DIhplc1oNY7cs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )