Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '44ea564f131e151ac656df044710d767a7e9f3f0b5675f42c93dbb65e758620e' 
  AND token = 'eeCCQUz7UCUBTdk5TteGJF1CWQDEsT4KkZBW5MnfhJY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00049

JSON explain

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