Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2f80c4554829e015e90f7413cdd46988c74ee6be5c0c1c9cc138600940574001' 
  AND token = 'NRdJMwH1VDnRN/H36PH/QXONxvWfDxsNDKdzBl/SXAA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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