Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cc327c10d8dcf1d635a5f9f5efe6c80433eb80288925377343858a1f4c6f796a' 
  AND token = 'eG4AIyFALkKxmTSpzLgCKm+kvPKdcB5OYnWSTUBsuyE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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