Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '2a8a65faefa90e99bd24919d406a6d880ae0bcba92eefa3473a653e3ede9aeab' 
  AND token = 'rLkKPKpWLlROA/GQQvzn/lO2N0jYdodx82jR7QcfNj8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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