Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '22e32cda8aea94130d5eefd3a459b8417fb5c5f603eff77b9d6c3204d76e3983' 
  AND token = 'vfBT+T43MkYBZM6De46fwtDzHCym+EUqeNIg1YCeHaE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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