Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07b440844ade2e9be4ec076c5c0814b3ec4da9b15a1a987acb9db754f8095d31' 
  AND token = 'LUXCIizwpigJ616YZz8Urt7iFZWb0m7PnK2EavHreR0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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