UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TkGsLTVwZoQOCjWAz1Je5dZmYWwzG+/B7cXKg/ImaFc=' 
WHERE 
  key_id = '956d4e4b238230d876d0ed2fff9fcf46c07145bcf1b6eec3c58fc3c4c7cbb421' 
  AND (
    token = 'TkGsLTVwZoQOCjWAz1Je5dZmYWwzG+/B7cXKg/ImaFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )