UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6gpTeSDdGhs3K+whnZ2AVazBlKy1PJ2AWqahsnVEII=' 
WHERE 
  key_id = '52e5071d28e8666e0a21ca9184be0a99d2ad430af534be0055a789d77f60c379' 
  AND (
    token = 'K6gpTeSDdGhs3K+whnZ2AVazBlKy1PJ2AWqahsnVEII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )