UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UV0olzbTz+EgnqW4lVCu6xT0kdazJMqC3yTyA2w8Vp0=' 
WHERE 
  key_id = '15a8987d05fa3b112228ffeab1804646b1ff0a7dfcafb64f61f7395d397a492b' 
  AND (
    token = 'UV0olzbTz+EgnqW4lVCu6xT0kdazJMqC3yTyA2w8Vp0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )