UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tz/+w9wf1+v2K2HbcaXcyuzf7e9d3L6QDgTUaNhE3Rc=' 
WHERE 
  key_id = 'b91b2d180874d4cc42e2141638f25264e976399fe89d2045fd9bd436b20bb9bf' 
  AND (
    token = 'Tz/+w9wf1+v2K2HbcaXcyuzf7e9d3L6QDgTUaNhE3Rc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )