Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '49cf27a4173d7974884bb4a60b5e318c5c5ab420db93421eaafc53943e74c9bd' 
  AND token = 'GxMS4o3QlCGU1ch75LzEGtGIJEV56sl8lHWnVoniXR8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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