Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '35515502caa6cefbc33f364a5869b098f690b741c3a19b2bf245352333b37c9b' 
  AND token = 'LhqJmcNxSFoMXXa8fA1QU1f8xgLjQNv5QXpOazfBYhg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00057

JSON explain

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