UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+B+4HcM9I4YfzVvf11znuBnpmod7utZDnl5OHfNOZAk=' 
WHERE 
  key_id = '4852b833e4dc9d9e1682550ec61ad609853ffc490ba63a82f0e2043ce43bb97f' 
  AND (
    token = '+B+4HcM9I4YfzVvf11znuBnpmod7utZDnl5OHfNOZAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )