Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c3ea47af6c89bfa6a5afbc6ac6126d252c086689fb5cfed905ddae3439721348' 
  AND token = 'yuOCf5s3+XFrgR+3QoQvC6gvxq9NNoAY5VACovQBsdg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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