Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '60de0165a8db631a7df9da518ac6d530a61477a72eb68565882e9aa84fbe999d' 
  AND token = 'axpki5vqM+h33GbqW032ZaDT18Q0gQ+pdc1z3DwfH7A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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