UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ioC65+DrhAi2LBq9Qb9b4VGFJ17ptMkVz8SKS4otNTs=' 
WHERE 
  key_id = 'a79f061ffa33d68c0fbaf383e40c4291ea54db473d4dc030358a6088a3e14365' 
  AND (
    token = 'ioC65+DrhAi2LBq9Qb9b4VGFJ17ptMkVz8SKS4otNTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )