Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3de6cd414582d1a958d4dcaf58e5b518ff64ca16a2c2ec57d7858041e69370f8' 
  AND token = 'k7V9o8Biu8QWtckHIEEZ7t5ABNhtJmsh5rH0TgvhN/g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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