Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '34fb3ea1a41a70bc456f77d22bda9ec767064af9695ab5af390132591fb8d0d8' 
  AND token = 't22xxzA8WBZRCg8oGu4Gj8fhy5OHuaZXpgzl2hSOATM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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