Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '149d034dcd20bd3e4b964b0e953c06b3f7552d8ea24883b9e7d066a9ac54545a' 
  AND token = 'knBQeejjXuAX8vSyctbBySraxltCH7XXTkx++K5A5tc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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