Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62ed59e75339fd9cb5a5dde0de2d60e66d4df4d796807242af297ce914441ae4' 
  AND token = '4DEO/Zf8mm01ZqSpvvPcnd9Trd4LBu3BGG9pnoJAJFQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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