UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KgLSb2N85jnfRA8qJfPCUd+NM4r9+afcFdgY6Qz0p1w=' 
WHERE 
  key_id = '47fc4f79166b8bfa93b64ea680b5e164a5b19628f37a4eececa404b95e92a887' 
  AND (
    token = 'KgLSb2N85jnfRA8qJfPCUd+NM4r9+afcFdgY6Qz0p1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )