UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D4OEKUsaWwdZV2lJ+3FLYArBk803dvjIe6McdQzXqxQ=' 
WHERE 
  key_id = '940d7d9f9cebad1b0e32382f53cab08ef41ed559f860366b41901960574067a8' 
  AND (
    token = 'D4OEKUsaWwdZV2lJ+3FLYArBk803dvjIe6McdQzXqxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )