Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = 'b23b945663792f3384a6a932876eeea549851a9644193a746bab0c3f672f0c1e' 
  AND token = '2a7qGKIKuKWmSA5eYg1GoejFgNjoX/9+IyS9lgkIbKU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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