UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2hk06sxXBYWGheVIh/045aRsqGm41hJMB2EwwtePAE=' 
WHERE 
  key_id = '79eb6017b68794e948370de4aca6cdb4925e46f69283c7f7810306de1c8ad813' 
  AND (
    token = 'k2hk06sxXBYWGheVIh/045aRsqGm41hJMB2EwwtePAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )