Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5395079cccb94ef6b8013c7e191220c58315483909195ff565b67a69fc851a6d' 
  AND token = 'jMqf+lxUhUO27Ayz4r85Bi7wxKtspSX5UaOYV+66DaE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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