Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1e4e38509503aeb22f7f3900b5793acdf5157383983a4e9bf18b52edbb5f524d' 
  AND token = 'eSDykTbXep1bxmUe4xuJWcHJTKf5uTmAN6hSGX+ah4U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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