UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P/L4y4ZNi/zXbVK7QgFShC4dhqa2xfs8Z5IZcPq1FEE=' 
WHERE 
  key_id = '18e88b6c6d934ae11b850c233eb1815784352758c7a90ec1efd548459527f5d3' 
  AND (
    token = 'P/L4y4ZNi/zXbVK7QgFShC4dhqa2xfs8Z5IZcPq1FEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )