Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13ed91efbc858258e3609a68d337fc7838437fed452b25f4957100fdea87525f' 
  AND token = 'vsoptWe50OFM5ysxwd9Iu33jhrdAfkiCJHVwGcPmghk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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