UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '47itvrFYEu2uIWKccx8mBeirfrIu6ihkor65I6NTmxY=' 
WHERE 
  key_id = '29723cda04dfcee01431a6684dd9270105971a89ca79a3507535050d7f47f7aa' 
  AND (
    token = '47itvrFYEu2uIWKccx8mBeirfrIu6ihkor65I6NTmxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )