UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hwz5B0sshSpECojuJ+dNQlc3HOKmWiQmz0U14oDJBT0=' 
WHERE 
  key_id = '28eb935a1d5ad73b3524f5e3115f8b49d7e2625b2463ee6fa7a83efa7bf77b80' 
  AND (
    token = 'Hwz5B0sshSpECojuJ+dNQlc3HOKmWiQmz0U14oDJBT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )