UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U5tyuzEmWRZ2+ve8wjLugsDa32L8LwFtQDmeg4UuwRM=' 
WHERE 
  key_id = 'b7f551d41e9c42b33c7caa93805b66b66c0a2d809148a248b032034835f9f78f' 
  AND (
    token = 'U5tyuzEmWRZ2+ve8wjLugsDa32L8LwFtQDmeg4UuwRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )