UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TMBfj9ALd2f6vl4TuTOgav1C6FgSDy1G0aMuHIoJXVY=' 
WHERE 
  key_id = '79e2a96d97ad3d1d049ebec86519bb84ef0f53dded721699a2b932e07a1911bf' 
  AND (
    token = 'TMBfj9ALd2f6vl4TuTOgav1C6FgSDy1G0aMuHIoJXVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )