UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'luu6uXDo2bSIqTWlgTcoPdnCJSPYuXCYtIfVipe1cu8=' 
WHERE 
  key_id = '4ebb5a2e576d75a75eb91ae486395b16f1644c8b92884f7f07ab4305f8909451' 
  AND (
    token = 'luu6uXDo2bSIqTWlgTcoPdnCJSPYuXCYtIfVipe1cu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )