UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tF0UHRdCn/eh4LDyD8Em0uRzXCSJQCUs0HBATlegUos=' 
WHERE 
  key_id = '81cb26524d9fa8f9bf2447660f71a6e7dcda974a5b9a6e4df853fb7c58702048' 
  AND (
    token = 'tF0UHRdCn/eh4LDyD8Em0uRzXCSJQCUs0HBATlegUos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )