UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jkVNuzmj2wZhFYu9yyqVHSfxKSieMiID9A1ae3pWkfA=' 
WHERE 
  key_id = '3a6eef59b94ba835c34cab199e1078626a6d26c228b73e2faa37d7b53367e4f8' 
  AND (
    token = 'jkVNuzmj2wZhFYu9yyqVHSfxKSieMiID9A1ae3pWkfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )