Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c5e8086a8ac968d5432d664173adb10c97c714da21a70cc462530296d5becfee' 
  AND token = 'knS0aqVaJVGdEhDRyaAqyIrkhRnlC2w6Ake08JpOzGs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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