Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9f899ad140801940a31e19aa4daafb8854e480c88513c4b9e47cd6336262ab00' 
  AND token = 'xbYBS7B0FqdIC3c75x9Dg6alQpz8Fx8pSS80d2GVMvY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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