Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '01fa1fe1dcfc64cfc55b06c141fbecceca56dd74a5c80b8d88bc00c08965e68e' 
  AND token = 'UKWKnjdqZoHye5fJ7SsXUYdIQikdiHUew+FaQNN/Rz8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00060

JSON explain

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