Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '112d0eb7295737cc04499725e6bb9083addb002a3a9e81af2d08a34c734685aa' 
  AND token = 'GBMDUXT5PtcwDSzUXemym5GsKVX0Cn9syfuLfd82lc4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00092

JSON explain

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