UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7/uJBLshIew2+xf65eemKTvHsLU/FuE3pDntNGoO50=' 
WHERE 
  key_id = '6e9343885ea41a32bc160d1d2f5e1b8517b7d8a4655075ae5be0d37a087d6606' 
  AND (
    token = 'a7/uJBLshIew2+xf65eemKTvHsLU/FuE3pDntNGoO50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )