UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G27cofdi0oMc7YMU4MbQlzCGXSlMUN8rFEOcXWeltdM=' 
WHERE 
  key_id = '397daa13b1adfd720fb11f4a49b80979134dea2156c305d8859f2c46d4244f18' 
  AND (
    token = 'G27cofdi0oMc7YMU4MbQlzCGXSlMUN8rFEOcXWeltdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )