Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0026832ec100118de6de8c5b489193814fc19d60237dfd79040fe5ce6daa961e' 
  AND token = 'SPE1ShsGTqioLd9M4/8zzNI1yjUeQBlzVF+Fn3u10ZA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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