UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PZvfZBKbvP9fjALXrjKJzAi8UDwufVUSwCuA8D2RuLY=' 
WHERE 
  key_id = '7597b65adf4e090fa8ed4bf86f789fda7cfde8198d15b320f1700a5e5b5a7fe1' 
  AND (
    token = 'PZvfZBKbvP9fjALXrjKJzAi8UDwufVUSwCuA8D2RuLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )