UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rup63+2eJ8LF+7sguGmgAg5drUiw5w+QBzbNk9vwaDs=' 
WHERE 
  key_id = '479ebcd14d24bc7dbc6d195919bfb03a819bcf3d5410cf87408bc3ec4a28bd20' 
  AND (
    token = 'rup63+2eJ8LF+7sguGmgAg5drUiw5w+QBzbNk9vwaDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026