Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '207b27feb9462236b9f681ad5147352708bb71ca96b47242c0a17bf70e08c89f' 
  AND token = 'z7IRIlkUYONWbQh5xl+rsHJZFuQHvDiu01a2TEDS0Dg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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