Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4b994e7dcc4be459ad0505831c72a9e8caa7adb810aab59549dd151b5d3276ba' 
  AND token = 'G0HVr+CaOmdd8b8J0Lxrr+pX86DpWuoe+aM22aVhhuM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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