UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zt2J691xCxbx5mulubhxAJq1AGFy+oMdRYjCnkxarOU=' 
WHERE 
  key_id = '39d107079b08f9309be5b8042b59e4fd6a5ba10567cdbe408d471ad81fb60f82' 
  AND (
    token = 'Zt2J691xCxbx5mulubhxAJq1AGFy+oMdRYjCnkxarOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )