UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/QcJxjMAcKrQcSTV/UUC7iQODkD/3HCdUfcYWYq5nZ8=' 
WHERE 
  key_id = '837885b6f9924b68aa8ca5427700fb0df02699141587319618a4e275e477d28a' 
  AND (
    token = '/QcJxjMAcKrQcSTV/UUC7iQODkD/3HCdUfcYWYq5nZ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )