UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kk2iYK8DCiLHXPX29myZBap9VPlrtdWaAFamrt8qjL8=' 
WHERE 
  key_id = '7a4db5ec1bbac2acec1347d9fbaad25435f8eb3e43059545a31b5394251e5361' 
  AND (
    token = 'kk2iYK8DCiLHXPX29myZBap9VPlrtdWaAFamrt8qjL8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )