Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2e32a7de2452dd83d65206c94839a534ca12ad179a3578c17ec61697612cb5fb' 
  AND token = 'cF9T6aaLnMVnU9FxjwdCc9jsdaeSk84ss4s46pZGfw4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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