UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B+dA5ALFezXvk5uSM/36VeBYApI1s+ODhrFgvdD5XPY=' 
WHERE 
  key_id = '8104702301e124f40606f9668fe2f1e9f7f72f36c062029de36a5d9cd70a434d' 
  AND (
    token = 'B+dA5ALFezXvk5uSM/36VeBYApI1s+ODhrFgvdD5XPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )