Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = 'b3844d80ec96942e878267016f1d9ba9a94479064e36edbdac5b883070072cd1' 
  AND token = '0xiaD2t2jo5imz+f3Rivup2MnAsh24QyCBNtTNTKuY0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00057

JSON explain

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