UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IPUX5lEYV51Kp0mWEsxwmxowjQtdZ67I3vDBl6GMol0=' 
WHERE 
  key_id = '0683d6c5c27598bb76cee8ddff76254435dc6b04715d9d421eb583e103d45d18' 
  AND (
    token = 'IPUX5lEYV51Kp0mWEsxwmxowjQtdZ67I3vDBl6GMol0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )