UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VfBTnFb1GGBQz6xTnPgENSiraMkRqbCDugP5sNZt/QA=' 
WHERE 
  key_id = '29b38cfe6aa502fb27c74b20df90122d734ea515c83411dd56c802f38666698c' 
  AND (
    token = 'VfBTnFb1GGBQz6xTnPgENSiraMkRqbCDugP5sNZt/QA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )