UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n3PDqtQRVjwFhThNEXuUu+5Xr0ugfE8IoBix0KPnA2A=' 
WHERE 
  key_id = '44e9aaf4280754071962ed2a036f2e1a2241c26c671725079286a3be9fc834d4' 
  AND (
    token = 'n3PDqtQRVjwFhThNEXuUu+5Xr0ugfE8IoBix0KPnA2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )