UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kiMDCHW9DGq3LmL9UB90P/hVHnWK6G1npvh2+M5D6Os=' 
WHERE 
  key_id = '297a5b2381e335c90dfad74adf4d8d8698ea3c2a505d93aa4fd6385b023c70ed' 
  AND (
    token = 'kiMDCHW9DGq3LmL9UB90P/hVHnWK6G1npvh2+M5D6Os=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )