Sandbox

SELECT 
  1 
FROM 
  cscart_multi_declock_keys 
WHERE 
  key_id = '285d62d12a19ea58b3ec9d84c7cf447b6e5865d563ae1f4f09482dceb287c2a6' 
  AND token = 'eGv3gruPa31pGZNQWwbQ0Ba5CbmrQgZjpfCF7LRRiIE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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