Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '046d04d0c34bc2b629c362dacd8c13ad44ed2641c233358a9b2afbab09012563' 
  AND token = 'yAIG8o5Mut18jcnlTgw5SozTgWDTGNfh8lJrD9Ei0Fo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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