UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H6q2qgQQO2HUw7eHD8HKnVXeEs+jL+F+Xnd+LP9AV+0=' 
WHERE 
  key_id = '755d71cfa55d5aebc7c18ebb7368c2f5daaa472a427ccdb2d3edbd0f209d49a3' 
  AND (
    token = 'H6q2qgQQO2HUw7eHD8HKnVXeEs+jL+F+Xnd+LP9AV+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )