UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PE3keovb0l6EqvLiWqYLgxU4hpqkVbjWirvEkIsEbFM=' 
WHERE 
  key_id = 'd8ca00dc480941f722c61c56c049da5a365a94d29638082a6d829bcf4588272a' 
  AND (
    token = 'PE3keovb0l6EqvLiWqYLgxU4hpqkVbjWirvEkIsEbFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )