UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xEm9TDaB0O0Exli67PjlgvKxCXUWyv2NPNBFbdCLi5E=' 
WHERE 
  key_id = '1c842898bc6b3f7e2a4f1433eecc437ddfa471c4520e22e62946c835aa74f14a' 
  AND (
    token = 'xEm9TDaB0O0Exli67PjlgvKxCXUWyv2NPNBFbdCLi5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )