Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aa32a22736e820aebc5f0604b2859e2e44cdeb0147d4899a39b23a5301f94dc5' 
  AND token = '24gM7df/4duGRhhUniurkVj0Xy8Czeaw3g8NRsVCyAA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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