UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DXap5/wWZO7GdSvy96qommwWeXSghGFSvJtOX6ElBkw=' 
WHERE 
  key_id = '6e1691e3fa846436cca98d54341693e3a368a5b610cf94abef3e1f8bad2cd834' 
  AND (
    token = 'DXap5/wWZO7GdSvy96qommwWeXSghGFSvJtOX6ElBkw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )