Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '41b86b36261ee62fc4c91c634fc1c911407472bbb14a34de5c50422667b9b6b7' 
  AND token = 'yAhGWbOf/vEy0/T+LzgM4MNvHZjzQD2mNthQCuMfaxw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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