UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qkNxo4jevWItIoEZIZW3tDuYY4Ue468vvQsK+LNwj/Q=' 
WHERE 
  key_id = '76262f0a6c7657f47ce44a176da61c888b8a7d65a3a01122b1b8e5905f3f96e7' 
  AND (
    token = 'qkNxo4jevWItIoEZIZW3tDuYY4Ue468vvQsK+LNwj/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )