Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '97dcba487dfe0cb365f6a2826683a3f6b475d9d2cb209ad98fc458b6b3811cae' 
  AND token = '9WvvTvugi8kCoCnX7KQ5WMe71Jzr1xdpDIvHBcOo6Ho=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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