UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ft0lLL7SvHjvRJLZzcuT34+HqVU1v7VLD9DGkXIeY5U=' 
WHERE 
  key_id = 'd35f92a9858dccb27081d9bd00029d3d6fd4698d9c417f0829de34686293e779' 
  AND (
    token = 'ft0lLL7SvHjvRJLZzcuT34+HqVU1v7VLD9DGkXIeY5U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )