UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oTMysqf5YnSyQqztDU//ECldbLVxF5dkFaS0kx72QKE=' 
WHERE 
  key_id = '3719fdd3083f52faa57b838dfe526616ff5953e2e5bb3187f60c719c295a1795' 
  AND (
    token = 'oTMysqf5YnSyQqztDU//ECldbLVxF5dkFaS0kx72QKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )