Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8ad444c745f3dc54bc40f74b93757a8811c6e9a8f74d6491fc0cbde93d842c12' 
  AND token = 'jAGaaktmUs4rNBu1vBrT3hHUkLhNu+0+r3Sq1VGUt3o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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