UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4BDcZ4QfVaUMbWhwpFRMaqlIHPbMlOGQLFLdTQIf2ac=' 
WHERE 
  key_id = '351fc6a31ff29a0ae8d11f747c7f1b59bba74b09a5e1b1c5680d653e0d828bdd' 
  AND (
    token = '4BDcZ4QfVaUMbWhwpFRMaqlIHPbMlOGQLFLdTQIf2ac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )