Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ede77e176997a3c38cf18454430845ac39d9b97faf705ee50b124417dc84eafa' 
  AND token = 'Yj7V4OYkRMtSViR7z7JgyH26cRFjQYKvtuBxDwj/bcM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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