UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AvWwkKppszl2kcfN3D4WOk+huRn9M5eOomdOZY31G6A=' 
WHERE 
  key_id = 'f289da965ccbf1db58a41b8453c386b6d093e516d1bff1b669766b9e4c235d06' 
  AND (
    token = 'AvWwkKppszl2kcfN3D4WOk+huRn9M5eOomdOZY31G6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )