Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0aa45df857d42be26ddd479d9cdedbed359fe11ec32c7b7b6f7910e2ecbe5034' 
  AND token = 'Dp9YUSAKioeraPFyknSoDTfk/l5+aMgQj8hYlyHFmlM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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