UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'js4ZO+qMHpH186I9F6dwNVvTvsobISu9JIt7j6txv3A=' 
WHERE 
  key_id = '15df0879a214e83891d56cc5ec98bf1e7df7a1471c45a72527757c159e5d6ee8' 
  AND (
    token = 'js4ZO+qMHpH186I9F6dwNVvTvsobISu9JIt7j6txv3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )