UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z1LsO7lC+pwGFco+eWATfpSKgGkCirKCt/lkPXePTd0=' 
WHERE 
  key_id = '518fccc099e334f2f51abbae89a1008c0a014dde67aa5f144c7f573ac36edd12' 
  AND (
    token = 'z1LsO7lC+pwGFco+eWATfpSKgGkCirKCt/lkPXePTd0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )