UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iVae4zUgzZbX3CcL8szjOLXGCQJTlmjG/tRi4IZce+s=' 
WHERE 
  key_id = '683cda386a54209a8a73036e93551704da61ee2438072039454df61532896067' 
  AND (
    token = 'iVae4zUgzZbX3CcL8szjOLXGCQJTlmjG/tRi4IZce+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )