Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '01aade48693fd0271ac6a47916ef2207dfc09aed9127a19aede4bcad3499bd47' 
  AND token = 'Qua/eBYYvaBmKobRTzJD++GYF/4qtY9kkdjzG/lXXk0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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