Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6fec0d1b4f7e97b387cff64e8a1cefb8f8dfe99f7bc4dceddd77d7c066f9148f' 
  AND token = 'pp0jIOUNFYEqAHx9hzTigWPue1uGoK67fBWS+OYi5VY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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