UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+cfQGktkuIxbNT4szTiK/7HvhAk6Kriw14NzE52UWvM=' 
WHERE 
  key_id = 'bf64dc16e18f6690e10ebdeb374f6f4c8e67233d45fe4bd68055d7b0a2dd7c97' 
  AND (
    token = '+cfQGktkuIxbNT4szTiK/7HvhAk6Kriw14NzE52UWvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )