Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ce322368ce4641e876fed92620591eadc9c23343a32560b8e9088cc05a5dadb7' 
  AND token = 'cbtmzaYfLXRK5m/mG9k0l9j+d6rIBpnq1STny5QMuOw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00139

JSON explain

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