Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'de7de7497a599eaa1f9bef12807c97d6549c500674ddf073e12f9e067a3dd9ff' 
  AND token = 'EyvTBMsuwJv3BS50zL98qPOk8u7YisY0BRwwW/F0DLs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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