UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2NYU8LLiVENpcWBesIg3W9UjPm8fjI56y8bkUYUsd58=' 
WHERE 
  key_id = '1bbc331b6c508e66cd763856a900f1132a1c5a940fbdbb09654a385cb02da43e' 
  AND (
    token = '2NYU8LLiVENpcWBesIg3W9UjPm8fjI56y8bkUYUsd58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030