UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PZ1FgVEiX5eDv3a7mPqUx9xwE8UzeB4RFpAYtUc5pdk=' 
WHERE 
  key_id = '08f1c35b860b75ef383cd11756146fb82eefaa8811c9cac1e806ef640d7d0979' 
  AND (
    token = 'PZ1FgVEiX5eDv3a7mPqUx9xwE8UzeB4RFpAYtUc5pdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )