UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cCEcNCBSpa/19WXJYq2liRI+pfF/4WeDr7BncGqZfys=' 
WHERE 
  key_id = '80e8749051782b4aed03fd8a42990f175967d34329147add917b1ee97a3a5985' 
  AND (
    token = 'cCEcNCBSpa/19WXJYq2liRI+pfF/4WeDr7BncGqZfys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )