Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '63b05d031999cc594dc8c7619056721197b6767807c7dddf5a28a5e869502236' 
  AND token = 'ti4UJH0tMbeXhQQbDVHVo/f0aUDClLOdHuzOy99v1bc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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