Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7b2faca080b8d64ec669f90044481a10a88e3d9416e7364c3c3acd96d7391c69' 
  AND token = 'Zwt/kkYhkFjOb9Gdif1vNfpnTA2Eue/si/NrjRxtBTE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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