Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '33986a20b85050e48ead0e85252e42526e046eb52d456581a5e3bc205d1981df' 
  AND token = 'ERUdgZGtM9M72MzdzjHu1ZQevtPOlaZ9sCT4Fbwn1go=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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