UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nqQNhoaHw6a7nELmwx5Hm4u6G7w04KSIwWqzA/X7rFU=' 
WHERE 
  key_id = 'a672f3b0a5444dbcdc0847137743e2e362615efefec1bf69bc83d6b2763d5b4d' 
  AND (
    token = 'nqQNhoaHw6a7nELmwx5Hm4u6G7w04KSIwWqzA/X7rFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )