UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PM5j6PkWYoSGGtkky+SZb2DM5E6qGOAmKyWDUrUGUNM=' 
WHERE 
  key_id = 'b49fe2fe76227425f6495d38c6257aefd2c2fb1c1eb24b86be76b3ad8e6b9816' 
  AND (
    token = 'PM5j6PkWYoSGGtkky+SZb2DM5E6qGOAmKyWDUrUGUNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )