UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uHYp33RaGgY3u+05SLQ7Zpnmn9qG0l6Szl27nztAgik=' 
WHERE 
  key_id = '3f4921452a64744e0113332cc3b9b7b2aa00d7e0b3277ff14c950a25a4331624' 
  AND (
    token = 'uHYp33RaGgY3u+05SLQ7Zpnmn9qG0l6Szl27nztAgik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029