Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '062c4aa3210a573e93f4b52715cf2e761d023a168a1bdd6b8d86db862d597103' 
  AND token = 'hS23o0MmpiQ76BF9h8LDMiuiUFxyNlmWWXm4jJ8CJto=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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