Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '633fab23e94ed132dc097dab3ab711911e7169c7c2bd7cc93018ac1190d019d1' 
  AND token = 'yCD9NypK/VIZ3PX+S6yS3EFBn97t+8GOB69tAgApQCc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}