UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nTK49PsavsKxEaPmAjg02SoHVirQv5eAdejEOGTY1BA=' 
WHERE 
  key_id = 'ebc6132b66a31e9063b779af15b46f239813289b2d114a80b52b19994992fb82' 
  AND (
    token = 'nTK49PsavsKxEaPmAjg02SoHVirQv5eAdejEOGTY1BA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )