Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6956d13d9a9ca7cf2163aba652aa8543ea2f8fc76bc7fdce2952a49a511b0a45' 
  AND token = 'qnb3k0SzBDaNA9bM2gyqj0Qx+VatL7GToUsvW4pKeYc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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