UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BnCs/SAZeeI0muovbj3s9vayNpv6K1jMnYogLyuUr7c=' 
WHERE 
  key_id = 'c3febccb153f07f2a035c29d7113bada9a5d2a731a4ca528aaf100babc4394ea' 
  AND (
    token = 'BnCs/SAZeeI0muovbj3s9vayNpv6K1jMnYogLyuUr7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )