Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1cdf574c11701eb0943528f1f3b31a97cf64789cb213ee36030a6cf405a16cd9' 
  AND token = 'YpuFTr6JIKvFBKUdWcyLZG5pWwOtIkuPk5IyuKrUakE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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