UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+CuwGzOe6MoLIyXfDcLyBeZkTPIGB0NRMxtJjl8rCR0=' 
WHERE 
  key_id = '815ad488c6b1b5228d561fb3b82cc0e51f79a5b9db2eb0c80842126b68c68602' 
  AND (
    token = '+CuwGzOe6MoLIyXfDcLyBeZkTPIGB0NRMxtJjl8rCR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )