UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yN9na9tu5vjO2Z+P4Ol9R/2K8kDrzbKBF8IAwV/oi+Y=' 
WHERE 
  key_id = '755668c8124945d2808a061d68b257946168a599206066576e794ab613b75d29' 
  AND (
    token = 'yN9na9tu5vjO2Z+P4Ol9R/2K8kDrzbKBF8IAwV/oi+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )