UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pK4IYZDXMzBam/8BdSUM1uYeSncId0Jmwdvg+D3WsIc=' 
WHERE 
  key_id = '6ab4ccbd9bcc96a44a05d440dc578c8e4100afa30c4d7540b36b02bcb4ae47ff' 
  AND (
    token = 'pK4IYZDXMzBam/8BdSUM1uYeSncId0Jmwdvg+D3WsIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )