UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm6/afUb3N9DWrFfoFygHoAxwgdV5VmIdscPxsT74RF0=' 
WHERE 
  key_id = 'da0c8a9c75220df0a3d4735414483e5d42a70f94b561786498b915a81aa4feef' 
  AND (
    token = 'm6/afUb3N9DWrFfoFygHoAxwgdV5VmIdscPxsT74RF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )