Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3119de7a7a09c11420c47e48ca21165b72ef6cdeae133bbb759aa09ba2256e7b' 
  AND token = 'FcVbg9paYvgGTwshuCuRstXJcDlhtDCV9IrTV8X3FB4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00057

JSON explain

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