UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rel81YeyUUjvFEtUo1bxonv0i9r7fjfetApJmaYrFIU=' 
WHERE 
  key_id = '50fe4ddad5b72019de93ec312a6635b50a1608d9c42374b7dd142525f58be0a0' 
  AND (
    token = 'rel81YeyUUjvFEtUo1bxonv0i9r7fjfetApJmaYrFIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )