UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dKX5EDgxjCn+YWdsBf1yxRnqCzodf5mgu6XAqfPgSy0=' 
WHERE 
  key_id = '506e2710f2bd5c081cf1ba2ce20f99802f83d648c52a27ba518f07f45d86a500' 
  AND (
    token = 'dKX5EDgxjCn+YWdsBf1yxRnqCzodf5mgu6XAqfPgSy0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )