UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6hAyw+7tWoMsb4KPHjRXwlsfxz1gQLGRadTht8aVHCc=' 
WHERE 
  key_id = 'd15c943a9b73884b91e2bc1c24c2fe305630b471f585d13110758e237716f858' 
  AND (
    token = '6hAyw+7tWoMsb4KPHjRXwlsfxz1gQLGRadTht8aVHCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )