UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ebc4qFlEqHeAqUCY2/wOUNByVYG+bjcJXWotCsSpNrs=' 
WHERE 
  key_id = '19740be931ae36f4bef70a3eebf9045808c625a35a39d75c44f5b663af757566' 
  AND (
    token = 'Ebc4qFlEqHeAqUCY2/wOUNByVYG+bjcJXWotCsSpNrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )