Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '61ae0f98ec8b042389ae043e8179cb3e5526504fa564f6edab001df281cc12fa' 
  AND token = 'fqtj4DsqfRfD0j41qbJ25C7y8dskBD/dOQcxSuHltDg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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