UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z83eDJLmNd+1CWveY1YvBtnyYmZ2USqKTf4LnbGaqeg=' 
WHERE 
  key_id = '1a963cb2c9583425918f5302bccc54f1d44f1002764cf19596c1a52ec6ff9334' 
  AND (
    token = 'z83eDJLmNd+1CWveY1YvBtnyYmZ2USqKTf4LnbGaqeg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )