UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S+HyqKntWqHZH5/3LfDhTUGDAcfbqLw2pmatqzyDeMg=' 
WHERE 
  key_id = '76db600f59b73b8e9ba125ae1cc4d9283af13612efca03572df8338dda0d608e' 
  AND (
    token = 'S+HyqKntWqHZH5/3LfDhTUGDAcfbqLw2pmatqzyDeMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )