UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4um8gY9SpmM1RAhM1Gi8crCRAjPegdLcUFaJSjlXLVY=' 
WHERE 
  key_id = 'b4cc7b15b6d70f12305109950715b2d0303a584bee543c55f27c42bc01868509' 
  AND (
    token = '4um8gY9SpmM1RAhM1Gi8crCRAjPegdLcUFaJSjlXLVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )