UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nNaTmmgZWgT8nsRUD33emHNhl84GDerbAS7PCOzJzHs=' 
WHERE 
  key_id = 'b6bde77639137a3b6073cc425aeb9adeb53e85c8084462e33e8995a2399a4697' 
  AND (
    token = 'nNaTmmgZWgT8nsRUD33emHNhl84GDerbAS7PCOzJzHs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )