Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '994a9e21a68ecbfd91a6cd40922e08223ba794e47c071ca1d8bf34530376aef3' 
  AND token = 'D2o71EbK+X0h/7L8FyHeH/ks7zheV9a3F4JTCu+xIcw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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