UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ej5EV6XUUZggzzVyNGHeQR9voWirv0BqID4OpTF9YoU=' 
WHERE 
  key_id = '9a839cf49569cf4730d34ced7596f043124a54ab451a8d71eaad47c83ae08ac6' 
  AND (
    token = 'ej5EV6XUUZggzzVyNGHeQR9voWirv0BqID4OpTF9YoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )