Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2ad131999d5f53a749ff4ef1d96501ec41be9cb2b8206b93d8ad81e5cf637e9b' 
  AND token = 'Zwo9jHyif0bNsm+IS5BNF2pxjn9MwjymsAB9hAt2zbQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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