UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u470zlKDo7RuIgglia0lglNmLha6d9USvcW25QMWNdI=' 
WHERE 
  key_id = 'a28775cf3f66846ce1b0fbdd0d51aa86b021f477717c42845c262d99f93da446' 
  AND (
    token = 'u470zlKDo7RuIgglia0lglNmLha6d9USvcW25QMWNdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )