UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMzT8NsWNAg11f8Cg4Y1B3Irty76EniNoNGfKK8FfQ4=' 
WHERE 
  key_id = '2e8c1fd6c9b4ecb43301eb2ce61d04eba061d2968b147984614423c0103909ce' 
  AND (
    token = 'MMzT8NsWNAg11f8Cg4Y1B3Irty76EniNoNGfKK8FfQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )