UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nRwe9RVwATNtjNKv+7QBgLOU9k4/NaHxu8f1oArNFbg=' 
WHERE 
  key_id = '749b58a1f4262547f123e341124b8df2229265c02f4b9f2121f6c033a19aaa1d' 
  AND (
    token = 'nRwe9RVwATNtjNKv+7QBgLOU9k4/NaHxu8f1oArNFbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )