UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B5kQVcPiPn9OhT0I5FadUwjM6SWkPPAF0CwCae2Rp7A=' 
WHERE 
  key_id = 'b6bb52987aee55711ac65f61a545dcbe0d61d0411b1a52be04a60a68d181262d' 
  AND (
    token = 'B5kQVcPiPn9OhT0I5FadUwjM6SWkPPAF0CwCae2Rp7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )