UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3DYPqqbjmo7/kfSVJKOO04nrkNMf3yIdH2fP79ZYbk8=' 
WHERE 
  key_id = '815fa387ec9719b2da3e392aada074d3fff4f977c1b032d6231a0401cfb54342' 
  AND (
    token = '3DYPqqbjmo7/kfSVJKOO04nrkNMf3yIdH2fP79ZYbk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )