UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0GTowvDPaQkksgpqdettEtBoTVKF1M+3UmkdMMCdNFc=' 
WHERE 
  key_id = '794d77f7a1007cc8c1e25919a396eeef7f436561efd09ad9b46331a43193aced' 
  AND (
    token = '0GTowvDPaQkksgpqdettEtBoTVKF1M+3UmkdMMCdNFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )