UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CMrkVa7cx6gUYlJtWGoVLPqdBDUY6/bUH8FLdriQpQo=' 
WHERE 
  key_id = '2c86c3a8194a6ceb0bccec3d0f7aabb791e8ac6be1a8847df5db4d20264d8301' 
  AND (
    token = 'CMrkVa7cx6gUYlJtWGoVLPqdBDUY6/bUH8FLdriQpQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )