Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '72cb616487f496f433de064514ecabf6cb129e9b6f99ddf576fd49a56f24c4c1' 
  AND token = 'qy2C2qVR0jvoSa/ut0p2ve4qdnbReJ68zymFa+7bkgg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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