UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3KLmS7uBnsP5JrXhnZEoUo7hANXjjJeXJ2w1Vrx+CNE=' 
WHERE 
  key_id = '81d6d4c791cd9237196e97400e5478360808aa2f4a72b3f46a70583974d6d30f' 
  AND (
    token = '3KLmS7uBnsP5JrXhnZEoUo7hANXjjJeXJ2w1Vrx+CNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )