UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A21xv6792s97FruukZBUYl9vfSyuyoYQLljsag2VZqU=' 
WHERE 
  key_id = 'aa46b8a003d4ad207262bb885ba6def5252907fa2b9693e874632d0a794a291b' 
  AND (
    token = 'A21xv6792s97FruukZBUYl9vfSyuyoYQLljsag2VZqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )