Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '60654871a30d43aa8fdf29bfa674dfd63c34c6d228557951eb369dac9c237db3' 
  AND token = 'WXSXw1qZgeyiB4FGaTdgZFc6lf1agRgOD8Y+dWiacc0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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