UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EnDWkorv9tNOgeEgJqHhNwCuezwOvgeYrib+RrEbZLs=' 
WHERE 
  key_id = '993f475b3b0a580ec5578426f1edb396211b5267b389097e357ad7933f7c211d' 
  AND (
    token = 'EnDWkorv9tNOgeEgJqHhNwCuezwOvgeYrib+RrEbZLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )