Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '34cd0a30a1acbbcd8c5149315e5097eb6d2d2e7b43c458e1f6f36521a5f83159' 
  AND token = '9DFMeKP43WGL1RJH2AQQQqBEHw9gTTJCUMPZTuIT3lA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00052

JSON explain

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