UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H/245exWm5wCxlg5IevWzSTF5TnNMwoCjX8w0VnIe2s=' 
WHERE 
  key_id = 'b476419e208e7fc7708b70377598de5a25c721cc860564f2bb7f975f0c2173a8' 
  AND (
    token = 'H/245exWm5wCxlg5IevWzSTF5TnNMwoCjX8w0VnIe2s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )