UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E4wpf2FE8uv/6df9345rmbMtsW7NXnoKNqcISK1/2DE=' 
WHERE 
  key_id = '270799cd4a5e785a126f6e9d93e6dd9facb8955d8fed8b8778a48122e542cd50' 
  AND (
    token = 'E4wpf2FE8uv/6df9345rmbMtsW7NXnoKNqcISK1/2DE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )