UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mJ4iPhExdU8fvDxrBsPP8Aiid5Sw8+sOus8/7hayVFE=' 
WHERE 
  key_id = '2389f21a7eb2d879d8c2c676d4e43da0779b31afd37989846064b7cd6e2fc601' 
  AND (
    token = 'mJ4iPhExdU8fvDxrBsPP8Aiid5Sw8+sOus8/7hayVFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )