Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0ecae7f69933a0cd12b34f1e1c7c5ffef47951991b589728778d306f9ac24a7a' 
  AND token = 'twZduuN1RhwGQ5Zh8Kq0sHGJjFqocdtiioeV8qdATH8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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