Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '41d8add752984cbd897f0be8c82b48522e657c106e60bf78c5cd102f7290f48e' 
  AND token = 'emXWSXOaQswE0PJ7qda7nFV+W9FRQgcyI2T+rHHu0Ts=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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