UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5l5cs14f1dIaaSBMd3uhL0/wDbppcGp9rmnT+EuX0XE=' 
WHERE 
  key_id = '351fee612b46c7acd379be801f9e43962a048b159f8dd70043608adf2f9bb531' 
  AND (
    token = '5l5cs14f1dIaaSBMd3uhL0/wDbppcGp9rmnT+EuX0XE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )