UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DK9XA7Vi575huTmqpNSF5HQPlzY8fkUhZIJ1H+QRu68=' 
WHERE 
  key_id = '21fa58a36afde87161867b698d5138b38068b441e6c4e20e37cc848e57dd708c' 
  AND (
    token = 'DK9XA7Vi575huTmqpNSF5HQPlzY8fkUhZIJ1H+QRu68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )