Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '653403cd98ae88ab142e1426fce907f1d432a00fd5e823938a391111aaa32f6d' 
  AND token = 'JREhyRA/dL67Mn8Rm/4zQH8IhLyzr2grBoZqMgVAi9I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}