UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WT+jsnnFCkGUc1MDi+TjPhk7amhEBaPTQud6Fta8VvY=' 
WHERE 
  key_id = '15fadb909d2a208ef3b6f53a63be082c018b637b0c5da8cd0eaffa66514376a1' 
  AND (
    token = 'WT+jsnnFCkGUc1MDi+TjPhk7amhEBaPTQud6Fta8VvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )