UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E6bimAigAhpwuWja3iPDYIhjWgg1JP/fPaymgN/2Ecc=' 
WHERE 
  key_id = '21b64717116c518f3702b7a9f3dc13ed5efe10ce253eb1676bd6345bf64a8eb5' 
  AND (
    token = 'E6bimAigAhpwuWja3iPDYIhjWgg1JP/fPaymgN/2Ecc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )