UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm+znjvO7LX39Ng+ieqY1d4ONvO+wCJkzSoy7nV2TFyY=' 
WHERE 
  key_id = '99b6f54da2dceb523e0ce080ef8ea09bf3da23e51a52fdd9c83a367d1586fd39' 
  AND (
    token = 'm+znjvO7LX39Ng+ieqY1d4ONvO+wCJkzSoy7nV2TFyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )