UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xu9fmzujA+cs6/OuYDC/ki2FRKNXbx5BTOgd1+mFit4=' 
WHERE 
  key_id = '91846daeae66a65bb3ea548c2b1c70f2845f359ee465a5e5e02c7fc92e43cfd0' 
  AND (
    token = 'xu9fmzujA+cs6/OuYDC/ki2FRKNXbx5BTOgd1+mFit4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )