Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f89d02d061ea21bb7fcecd143a6fc3446f12afd5d36fa7f2d78fae4d72d459bb' 
  AND token = '95XxmCMXOf1LpDsOnig5U5x+TaFWXktNiSOGgZwLIes=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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