Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '90065325029aa67864d5affd6d47332ef0d47e1d515cfc80e6d52824b9da47db' 
  AND token = 'LmpooEQXAjaBM3/qVyoLX/yqxU2qqf6ZjUO02qSqsgY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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