UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dz1+0/OK8MhyPFl2pw7eIWKqoaEqQ0ZIPr+RhWp2OaY=' 
WHERE 
  key_id = '9b81c450beeb9a7c78f63ce9a682c4ee16c65e1db62bbcfb96344c1721b85550' 
  AND (
    token = 'Dz1+0/OK8MhyPFl2pw7eIWKqoaEqQ0ZIPr+RhWp2OaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )