UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LfI4IWGJyN2UFosTJWLyYzbctQKLc1o2nflWuXl9JIM=' 
WHERE 
  key_id = '6135641964dad73815ec737353aa56870eb3a03683edda2c4072c1ea7c57c960' 
  AND (
    token = 'LfI4IWGJyN2UFosTJWLyYzbctQKLc1o2nflWuXl9JIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )