Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9f9f225ada0d3f99e39ccfd21b2720bbbd582460c1c9fb84b65a5c6736ad2dc6' 
  AND token = 'WlA8Q29WQJL2aiF6+dXk3/JaVgFHF23W1tF+OtNEQkc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

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