UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kr51IOWacq9pQioa5lQ0z4qKlxZXVqCSogN0ueMDt94=' 
WHERE 
  key_id = 'a33f4fd81f66eaf14a1b7345c577f6e9b8e5bbd69cf5ec33e6f36dacadcafb06' 
  AND (
    token = 'kr51IOWacq9pQioa5lQ0z4qKlxZXVqCSogN0ueMDt94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )