Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'eab09e6f8e82c7c6b31c1a05c809d785878eccf99b771958a6a74127f9b23ccb' 
  AND token = 'HlyHTY+le6fy5lWS4EbPEBn7I0ERJIwmARWAUE2sjVk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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