UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79V6O93b1EiCwAtjt9C1PCxfxgSM+xpzFLZvvaX2n30=' 
WHERE 
  key_id = '9b9dc4703fad8444de75b3cc746f0d0d0a3690de573d31782d3b977f5efa9fb3' 
  AND (
    token = '79V6O93b1EiCwAtjt9C1PCxfxgSM+xpzFLZvvaX2n30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )