UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e1wSBBzMQZiaEVaaLKT7ITJwWS2XNfCfnj5iP8DnWz0=' 
WHERE 
  key_id = 'a15b295df08237dc260f9de8250c4b43486988d40fda24ca5c708b70aa580891' 
  AND (
    token = 'e1wSBBzMQZiaEVaaLKT7ITJwWS2XNfCfnj5iP8DnWz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )