UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'umN6h6vWOHZvyAlVVer7fqeb5eBwEP8/GpaVAz2O3ug=' 
WHERE 
  key_id = '6191620a73595667689f6e86515545828e9d8517f292709b41c772aa9dd59e09' 
  AND (
    token = 'umN6h6vWOHZvyAlVVer7fqeb5eBwEP8/GpaVAz2O3ug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )