UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1+TiaJ/tqszj1ZYYh7WNM4mxoNidCIikmZrZ1ILQJTo=' 
WHERE 
  key_id = '50d1b5b690cb798d8ed7f19c60b687b625025a927772c9959839e5c147ac1e4f' 
  AND (
    token = '1+TiaJ/tqszj1ZYYh7WNM4mxoNidCIikmZrZ1ILQJTo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )