UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G83Avp5v3qzrcfMI2km40SDjB8vgmLDHN327rqkR/RA=' 
WHERE 
  key_id = '856b8d691e3a0ac042432183f9bc0adb028e2e588febd61ad4d8bcacf4175533' 
  AND (
    token = 'G83Avp5v3qzrcfMI2km40SDjB8vgmLDHN327rqkR/RA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )