UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd02ifBiZHy3qJdFCeiPO04g/c3NigDg1Yy1kAgYDVGM=' 
WHERE 
  key_id = '51b789a77be7e9ed9568d712ef5ff46120dabffbe558a50c485c9dacda0b5ae7' 
  AND (
    token = 'd02ifBiZHy3qJdFCeiPO04g/c3NigDg1Yy1kAgYDVGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )