Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cf4e5a358456956cfa4d512c7c2fe0238993d85ec91d46b1e786645687e4772b' 
  AND token = 'aa8cbAqotlVb9j6L0M87o3QKuSWl/EMU39Li3LW2dv8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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