UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajhCWzqFbLuQA3d0UTliJRpx8rabP8XlZy/SSbcpRSU=' 
WHERE 
  key_id = '016f94b5049d67e69024cee37d9a4826f77b20248d45d2d4139e7026df218e82' 
  AND (
    token = 'ajhCWzqFbLuQA3d0UTliJRpx8rabP8XlZy/SSbcpRSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )