Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5e1bf4537838c94a9237751091a463ad0dfaafd8f6a92799a227663f95179363' 
  AND token = 'PcPhn64Yqrutmt17466H5Edh2R57Y2LBoIH/eUYik/c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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