Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bc61d7de825562af084d2daf1426a8c136b8b216a909e40ea11415fcf7fcd89f' 
  AND token = 'J6WQHMYN+a7L6o9KaNgPI+yX6RsJz50niQEW/7w/2dM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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