Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8906c50a4bae9f4a82319ca69203b1b0733319080ea0c2443576a74a0bf64b9d' 
  AND token = 'PkFkMp96L79IvGZL/4pxxSezSHRq3R9veY13TrlfhGE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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