UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RC8Ih++Uea6ir2z4dlcVXh2IxpUMdoH+I43f1i1pXrY=' 
WHERE 
  key_id = 'b7c4bc54134c91791991799bde953fa28dd1fca73bff2916561ac527c56aed20' 
  AND (
    token = 'RC8Ih++Uea6ir2z4dlcVXh2IxpUMdoH+I43f1i1pXrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )