UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZVWNf/E/C5WKCC9HZTCA/DdkuiQLZCrMkAsNW4RjdGc=' 
WHERE 
  key_id = 'd41e285053c3244270a4a753edc8f99a457929fbee396939d2d3a75f9f7853f1' 
  AND (
    token = 'ZVWNf/E/C5WKCC9HZTCA/DdkuiQLZCrMkAsNW4RjdGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )