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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '60204014121b8d83b993ece6fc5fb4432bda046369664b81915b7cc85659cb53' 
  AND token = 'OdGGPDUlFZNnylo5ctb1I5A0QTigJ+x+cvlJCVYH12o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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