Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b033cd053c4dacb1e7ce830327076fc107394204b16b75a9036986e009907549' 
  AND token = '3DVtMJ4ufIpLNbY5Px2C+OG8XQME6XlByWKyiUKe73g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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