Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1b222e13660cbb1c12f7aa9ebdacfdc99a01cb5671bc48f4b4600764f548946e' 
  AND token = 'Ef9AjF9heR0TVckxZtKCWFBQLfcahgbfcHD2UhNrKVY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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