UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VMUoQiW9A8xBlGKSvxv1HUHMSrODZGVIgFoxU3rRu0A=' 
WHERE 
  key_id = '3481d6ac963d849ec5cbbd356e30d0ba5e016cb6eadc00d7dc4435f09b95e48e' 
  AND (
    token = 'VMUoQiW9A8xBlGKSvxv1HUHMSrODZGVIgFoxU3rRu0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )