Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2d41206bb67b579eccc5c0f1a4ca82dc7e76ae88edd0418e4ebe76fcb3e49560' 
  AND token = 'bBLeDKiv6xnqxp0yZXiMc3TtfLdeou3QG7sGW/h1s14=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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