UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z1fMtvAdBl2pbXLwpopU8JU7AAlUYB9tIQGEQrbzxwY=' 
WHERE 
  key_id = '855db059e726a7fc941fbaaccb0be96d12e79874b562379d9dcd25c1c0419dfc' 
  AND (
    token = 'z1fMtvAdBl2pbXLwpopU8JU7AAlUYB9tIQGEQrbzxwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )