UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Zh+uq9cjRpL9Y+i86sdwbC+PRxn183nkp8P0FaZ+xg=' 
WHERE 
  key_id = '28a5547a20e0d0b1ff77410866b3a43d89fd88e4864b6d98e3db3b2d65569484' 
  AND (
    token = '6Zh+uq9cjRpL9Y+i86sdwbC+PRxn183nkp8P0FaZ+xg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )