Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'dcda4f3f91a4a2fb0cff8051dde5e30368da9797aa1a45eb626b23aa6285dfe5' 
  AND token = 'IZ983eVXJQus2BGgSpwMsSRA4HSEcQ2y1CgPTjRu6Gw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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