Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62c468952313b241b4a3d8536a8095ae23a812924757086a0a389116ff68058e' 
  AND token = 'r9N0iKJupEsBNfOG1eQftJycQ4cWJzF0y9UX76krmuw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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