Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd9fd3b66df174769e4d02faa1fa5e1a65adc71a5ace26f24b2e322ee09ab0f1a' 
  AND token = 'xOCJPcLI6DyHxUusFa0vdCEVDf9c1Kfa22Yj3UnESLU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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