UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UErzRKT7gsWMUc8BhUBqcJiF9V0CcwF32V7jIUBWZcU=' 
WHERE 
  key_id = '935c821983354c17d9bb5225b6349c28885661bb7829169cf7dd5fd50cd45dc3' 
  AND (
    token = 'UErzRKT7gsWMUc8BhUBqcJiF9V0CcwF32V7jIUBWZcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )