UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3FSY19ZVyysuOhMojRzPJKi60gdTqvqiaNAjZip6t7c=' 
WHERE 
  key_id = 'c3e6670cb54e7652a17fbba166b404cb1a49eee9f77e9ac9d2f2961f1d030f31' 
  AND (
    token = '3FSY19ZVyysuOhMojRzPJKi60gdTqvqiaNAjZip6t7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )