UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VzWSEelkZJLq15NQiXuTcJiuoWa4TjRhjmzUzen0UDo=' 
WHERE 
  key_id = '3408f68c1890b638385e486a747b98c8adce3a8c5de90571dfb875696f023ee2' 
  AND (
    token = 'VzWSEelkZJLq15NQiXuTcJiuoWa4TjRhjmzUzen0UDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )