UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dUKXyMNx6YV5OAMKJnyIEdq3A69llE75WmL5B3gySag=' 
WHERE 
  key_id = 'aafbfa95f6549e47d1acf37bc3bdb5661c1295f83d9dc68850e264103829c558' 
  AND (
    token = 'dUKXyMNx6YV5OAMKJnyIEdq3A69llE75WmL5B3gySag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )