UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8dHFKesumdE50W1JcNdaktyvDsvr7LyH68w2jnsgGZo=' 
WHERE 
  key_id = '411343393a205d3b57053171cb131a3fa8383b1f8a2b1111fe0c764941ebc592' 
  AND (
    token = '8dHFKesumdE50W1JcNdaktyvDsvr7LyH68w2jnsgGZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )