Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bf1e0f977028474ba90b103b95c73aa9911d600eef71cde276d0bb65a6afc5be' 
  AND token = 'MPlrwMYwgZtzHrWXo/HkLS+1oO3uMkXzTK7skwt+J14=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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