UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mhVJfO5dyIBIla0EtQdLojhMWn9pVuSj8Lq/OACMMm0=' 
WHERE 
  key_id = '1b834668e75f8ab63f1fdf1350094c4e951dae3004e72c47f26499a34096c535' 
  AND (
    token = 'mhVJfO5dyIBIla0EtQdLojhMWn9pVuSj8Lq/OACMMm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )