Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0965dc85b5cf3dc77707fa905f447ed5587802952cfc99d92eda357920cd63d8' 
  AND token = 'oTREYtzYcgN19MS+PY4V1X7Zk1XV73P2ramFFWeqwTQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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