Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '096488612ed2368c8a29f9220fb93cd607a694f6e002ccc39ca5188a7faa4622' 
  AND token = '+6XxKh0bjbYFoaWUueo1cG8Nb+8ubVyJEu4u2Oev83E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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