UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMD9CZObwFrcYThvqsgaL8gjCFb5JIZkD2DP47kz+LU=' 
WHERE 
  key_id = 'f02d3c39c9bde814f41186822ac28a57e52acf48f2874c9bfe59e029196f5717' 
  AND (
    token = 'MMD9CZObwFrcYThvqsgaL8gjCFb5JIZkD2DP47kz+LU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )