UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eXax3VXSDJG/sk72hALjDhIOvr66XWpv+rwqh6vTirE=' 
WHERE 
  key_id = '1c7939a8033f004ebc3c1b47b70949d7386c4fdff8afb24b26c4c2ed15e95038' 
  AND (
    token = 'eXax3VXSDJG/sk72hALjDhIOvr66XWpv+rwqh6vTirE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )