UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+S1WmhPp11LyfSRZKAtaEpWjhH0TLUE6LI0GdMPAgug=' 
WHERE 
  key_id = 'ada2ff53f317cc381e6b79758110be8823864d5521b9976663b22233b9470166' 
  AND (
    token = '+S1WmhPp11LyfSRZKAtaEpWjhH0TLUE6LI0GdMPAgug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )