UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2U49DFS2wJW0k8wCgTXpEYj7jqUJ/HLIxjLsHacLpiU=' 
WHERE 
  key_id = '270c7cda9b6499853fc6d66db4bc60182ee14c179210861618955d9e6594e2f6' 
  AND (
    token = '2U49DFS2wJW0k8wCgTXpEYj7jqUJ/HLIxjLsHacLpiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )