UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SjPqbu+fyXpXPfRM95GfL0juYALDdzXJU/ielFgJsw0=' 
WHERE 
  key_id = '934e0f500d2e34c0778184a01f3d428938ed539503454e14e4183f9c676dc010' 
  AND (
    token = 'SjPqbu+fyXpXPfRM95GfL0juYALDdzXJU/ielFgJsw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )