UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tax8/ptxnNqnl2AmFm1DWjnRFS8AszM4MuAwfnPshDU=' 
WHERE 
  key_id = '1ad90cc093de1703b4f63d84577980f58ab034a9f8bee0f1452346468c540481' 
  AND (
    token = 'tax8/ptxnNqnl2AmFm1DWjnRFS8AszM4MuAwfnPshDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )