UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VeXfUzm2BcyB4DIrLNN0Yb3OC6lv9YRLqsKKxyn2UeQ=' 
WHERE 
  key_id = '1f7d4baab034575b134d0a8973db3144819be41a0ce2943e8ce08fe73304c31d' 
  AND (
    token = 'VeXfUzm2BcyB4DIrLNN0Yb3OC6lv9YRLqsKKxyn2UeQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )