UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WKUNfsNCcuJkiVStEvTjId3qLJy3YPAFjOiKKQepnvY=' 
WHERE 
  key_id = '4493b2131732b1e324a6d947d740f661350ef7e705f58d90bb8c653cb2af8383' 
  AND (
    token = 'WKUNfsNCcuJkiVStEvTjId3qLJy3YPAFjOiKKQepnvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )