UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znPawpI/cNMXFQWZ+XxVdKvw6VbV8FfaOixzg2LCUsI=' 
WHERE 
  key_id = '5da015362524b3fbc53c8818d278f65129e879655c82b691e390ae058e126269' 
  AND (
    token = 'znPawpI/cNMXFQWZ+XxVdKvw6VbV8FfaOixzg2LCUsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )