Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'febf259677f38b571c360b31a82ce7873d01a2a5f9cfddeebac6ce86a7b60aa9' 
  AND token = 'u01brWfDO2LcubJipaGwtC5u89zyKTAGp2FjAZ2XAsQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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