Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '86770ae582fda451a2c10d302be00b30c2061fff8eed1279b6d1e84dec3f7b5f' 
  AND token = 'wAKvVOh6cNPRu224Lk6Q0++aIz9UaI10hnlD+srt0jY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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