Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4e776c941162ae53bf41bd2dced14cded1ff014dd49ab49c3e5dfa459a6cf980' 
  AND token = 'udpzpAVc/gEeh0uhHRAmsyLB/d3NhoRigirKnO0F1mA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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