Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05d1df9ce98c2db3ba3bb635ffa08463e1b865b45c8a38a3bdf0510904d6a382' 
  AND token = 'tGcUUOCrX9/arLim1IKmbtks7fLTtE/z/OXU6pSbhQg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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