UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJNoVL1dhq3aO2nRtnH3iD2E6RH8WQtIwB/56MsbcP0=' 
WHERE 
  key_id = '5271df61e598344b325dc80fa46d892c2f9152986fa9d54a4bb82503cfd7f819' 
  AND (
    token = 'MJNoVL1dhq3aO2nRtnH3iD2E6RH8WQtIwB/56MsbcP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )