Sandbox

SELECT 
  1 
FROM 
  cscart_multi_declock_keys 
WHERE 
  key_id = '61ed8af50b2a2627b27f3896cb37a7f140b8cc9e7f0690671af42ad47aad1b7a' 
  AND token = 'TFJwhJbeaVJUecHG+KrhvIL0Bau0TloKjJk4t6Wf43Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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