UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+hPRGFF5oR/PPlKBhYRVgNDdBIbX3vdn76vPRrBUcrs=' 
WHERE 
  key_id = '20c96fbc34cd38a5c8f9ddb7affe37516d823b4d51f2d650d40138d80360eff8' 
  AND (
    token = '+hPRGFF5oR/PPlKBhYRVgNDdBIbX3vdn76vPRrBUcrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )