Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f5a3fdeeeb47ac5897bb20fdc99ccd5a9d35414925a0ab29241a323960e46e86' 
  AND token = 'hlx1nuRFRapTMnwE0GMkY5GIEz/QMwg5Z9NlmMUPQ+Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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