SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '62e625e1213679d37685aff9a6a95c41b1518559c08224025f0a7a990e21ceed' 
  AND token = 'LV5J4tVzd4dOWJLlkhGErahJFfywxHmv47QcWHB8cYs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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