Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '461fa23e21445de5a3562d41454b6661dbf0732bc22418139104b0de32fd69d5' 
  AND token = 'rrtlZCNigP5JobAhWq1VjNdUNUK4N5/Z4H6ssEKLHtQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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