UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UD2zXEVmeyPGCCVudmbHlrNJwIHUwNZY3YhCKEIodOo=' 
WHERE 
  key_id = '8cfd099d2e787790f196b655d5aaa57c870def4051f018a0a32403e1e3dc6987' 
  AND (
    token = 'UD2zXEVmeyPGCCVudmbHlrNJwIHUwNZY3YhCKEIodOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )