UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R3zjXsmLiiXuk3oOpGpa1ArFn0YeCUqtiDUfUuceJuM=' 
WHERE 
  key_id = '7d99cdedb805e4fa7cb87525acf8fc04e54a74202909d0085ac733f012d550d5' 
  AND (
    token = 'R3zjXsmLiiXuk3oOpGpa1ArFn0YeCUqtiDUfUuceJuM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021