Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd7a07add145d4ccc20f6cf54d7380089020e25f056940389373feef39f2855ed' 
  AND token = 'Uw05MlDdbDjKmvWdgX90AxJxjFgqcg/paRT37gddkeA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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