Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e45101d07abf79b0c2676fc3340a4350b339092f4e612f313a63ea08f006bec1' 
  AND token = 'k/AnqZtZ4xDOFqEUSH6YJSk51mhaBH7Htrv8tC6r6HQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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