SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd06b24dec69d64cb6b0f85a21d2ae45eaf4f97ecb9c8af53e3509bf3353dcbdf' 
  AND token = '25QyEX6GZRhr4HV2Of/BiZV/PNFrnT1Jzjl3rqpTFwM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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