Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fceaafff73d3485b3bf08510fc2cda008c8cf3a1d7225f245701734ea93436c7' 
  AND token = 'XuYFXUZiVhven7DzVHAu4yB9x6XxZpMXwtZZK8BT0O0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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