Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '813de95b0ddc4097780b15d42d1fa6a829f60d455385e5a4f03b6e043d82a594' 
  AND token = 'TinPCT1eAa6dX8aaKqX9cLTl2MnCg/MfZHyW2Yy579g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00012

JSON explain

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