Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4419617b7a95868723c96d811cb1168c77b0ffccce513407c6e60318119fedc9' 
  AND token = 'Dzg5S9wTYl80sjb1KwkF5Vb+0Wbwq/JT8OGMV6oLFfU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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