Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5a733d51ff631f16755efd0028b0c50701ae06185cc92fb389ab441e91b3d985' 
  AND token = 'frIKMLJor5+747AGrr6zZPmsNQ4eF40ZI97Zjm7paoM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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