Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '463858991f47f7e4e6c7ca43456466307959f8eed617a482ff55f60d5a9e1709' 
  AND token = 'tSjXJrr5dB1p1s/0MHH/cRcZHnRumHV9PNW6Hjww6Hk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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