UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hU6X3GpxLn5cFUzKi7IyOb11OZj5wu2E5mlWuS2Xu6Q=' 
WHERE 
  key_id = '3842460c52c6eb7d7239ebf972a074b9542eeddfe66bb77d4dd48db6d4368ff3' 
  AND (
    token = 'hU6X3GpxLn5cFUzKi7IyOb11OZj5wu2E5mlWuS2Xu6Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )