Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9d5a62c23ae21c87ae307fce6e7f1d6b2dc88f673e0504c5a2ca21ffacc474a0' 
  AND token = 'sRa20b4IYpOpShX/GsVCTottIyPXRuOUcQfjsYUx4Ws=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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