Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3367863c0d06c7282094f7ced8faa00b803250d8eec39a6c4acd8186fb58d188' 
  AND token = 'KKG8aAzX3H9XnGGYuTwP7zh9GNZO3sI8Pm/h0EJyizw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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