UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/8JfFa0zNIpdrQSStpovdbV2nYEjsq2PSkVwjxCGdlI=' 
WHERE 
  key_id = '8b5c3fe15a089b47f471df40d11a917b702ac397aeffd3f852c69a2feffd194f' 
  AND (
    token = '/8JfFa0zNIpdrQSStpovdbV2nYEjsq2PSkVwjxCGdlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )