Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '680ca661fe0ee44bf815b9d8f1df57eee0d7a35303b9a836b39301e653697573' 
  AND token = 'ZsbfWi3wyBZcDPDbhbbxi88W60jsLyXPGJJ7FjYIeKA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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