UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rxEra/MVXZJxmvn2b8C2f15SdPACtqrSGBDGWyXMsNY=' 
WHERE 
  key_id = '8298e1e8a57688201fededadcddce4aaadffe72b312e8523650d95e32aff62fa' 
  AND (
    token = 'rxEra/MVXZJxmvn2b8C2f15SdPACtqrSGBDGWyXMsNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )