UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+d77c6GV7zo+P5itm9j8mP2EBGCDKAdkw+PfCkEBUR0=' 
WHERE 
  key_id = '90713b4ff0d61978421a9288610f3d4daedba0d013cc3fe5f5d8134b0856bd1f' 
  AND (
    token = '+d77c6GV7zo+P5itm9j8mP2EBGCDKAdkw+PfCkEBUR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )