UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4nJQ7DHojb0hcWU1jzkyCQDLwJIePCbP3uYO9cjKM7s=' 
WHERE 
  key_id = '18fc0fd04aaaece92e7bd79dee390e7c016ee63fabcd85773243bea3b39a72f1' 
  AND (
    token = '4nJQ7DHojb0hcWU1jzkyCQDLwJIePCbP3uYO9cjKM7s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )