Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7b5cebc53a1ae53b36f2f9f604875a36ae968ab87fba25ec20c22cf421860882' 
  AND token = 'jgsMwk+j9HgEKebG5SY22AZwL/q6oAd1H2qOkD7JPaE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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