Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '32f33a149b78f630a1aacceca427357ce990e6e22bb4e88e914ce33a6be9b1e6' 
  AND token = 'qpin8hbRdb/5nPuPBVx3r3QJOdJtgk4EmawNfts9FwA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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