Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '65a342581ffa2a1e2e83f1056ef87a51003564d153364cd325ba610bbf3f3aeb' 
  AND token = '/AxXB5jk36cLcYJ8C0OXXqCfDCjFZyGNXM/ndHvSc6o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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