Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '16470a63946e03ac895d4a431925743633139b31e23f7746564e967e10f5a017' 
  AND token = 'EY3Y1sobzO7H7+1EUzumFF7xV6N1FgjlZR/7raYZlig=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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