Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '084f618d314e487ea6dafb62d0af93d54ae53eaaf0f1eb24280ce1703e419554' 
  AND token = 'sglqe80gjx6A6Ae01D5bwsE7dfXCBHOzQ3KmY4jvH1A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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