UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p8YDJGq0/1KKGpqV4ko8GhYN7ays7BBlO+rJwRf6jOg=' 
WHERE 
  key_id = '50ad4bd0e4b4f34254718b1e3ed3024b70b03b863a3784558f9f8b884875773f' 
  AND (
    token = 'p8YDJGq0/1KKGpqV4ko8GhYN7ays7BBlO+rJwRf6jOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )