UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6bvlkw/BpRXKy9Tu2EsVMptDfMZzTVr1Cth8aQk+/0=' 
WHERE 
  key_id = '4f5d2755fee81ee81b76c5eef705c8049b7052beef56dd7334aa544358e0e6ba' 
  AND (
    token = 'z6bvlkw/BpRXKy9Tu2EsVMptDfMZzTVr1Cth8aQk+/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )