UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xNLNy39oOEEgQfuuo80GJoLJs30Za9+HOh0MQY14NGE=' 
WHERE 
  key_id = '5cca31e12bc54b97ea651aa8cdbd73f9a850c6744eeca9db6efa03090fb351c2' 
  AND (
    token = 'xNLNy39oOEEgQfuuo80GJoLJs30Za9+HOh0MQY14NGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )