UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6tp2/wpbTi5PoCXIq4wYBJVvcq3Msj6EBGRIC/nqxvA=' 
WHERE 
  key_id = '1b1c5e3e37c1d4bfdb57873c772f56823872a83283120ef4757cce91aff63ce4' 
  AND (
    token = '6tp2/wpbTi5PoCXIq4wYBJVvcq3Msj6EBGRIC/nqxvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )