UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8B7qzIwTDEh48GQQ6FdWoNnWBPXtuNtLRl8ui4vAlE=' 
WHERE 
  key_id = '6b0e939133cfb78c6831cdba4907b7a4f72dbdea32ee399d6a037ee9d402ecda' 
  AND (
    token = 'N8B7qzIwTDEh48GQQ6FdWoNnWBPXtuNtLRl8ui4vAlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )