UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nBzks0edzUL9jXyZJRC0cf9s1bUuq7syhfVbIBdWcVo=' 
WHERE 
  key_id = '5b0cb15e49b9efaec442f171c6f9b7c15bfa9890592f467fb05df970a16be473' 
  AND (
    token = 'nBzks0edzUL9jXyZJRC0cf9s1bUuq7syhfVbIBdWcVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )