Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13c222f2adeeae398584efb77c013a5c1faadce0d6645f3e23f8eef850348965' 
  AND token = 'bPDcHX7p2XpNDJN0GdEB771fbBt8EYW5kk6+yV+Xo2Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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