Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05fde8a651df7f9371b8a3a936f5fb424d8ac920db883a560f0b967c828e5d5d' 
  AND token = 'RrXO72O2XtKMQg+OediV4/eMzyTdYGaM+HneWWgCGm8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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