UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wnkPREbPnK8mZfX8olh2tTVG5LuACLySqNwfe3J3xXI=' 
WHERE 
  key_id = 'ee02dc4782f4c6b3a46bbfbc4f4605a6fbc379e8996406528084afb9eb3b4987' 
  AND (
    token = 'wnkPREbPnK8mZfX8olh2tTVG5LuACLySqNwfe3J3xXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )