SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1d48292397f7fc414d860a3d7f5e1908ac7089657113568139bf7eaec1972ae0' 
  AND token = 'gsY6sg5ytqIZEwhcExJPXeRB+ujrwwXZZKfc89bK/94=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00049

JSON explain

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