UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4zByqhnnLAPXi+YLzUbtaqmuqgGaTkYYC27qD0HK7UU=' 
WHERE 
  key_id = '81860b5e83090c3375a939836d3e664c4417ca2ca13e8807787e225aa6e26081' 
  AND (
    token = '4zByqhnnLAPXi+YLzUbtaqmuqgGaTkYYC27qD0HK7UU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )