UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QxBSiJEXmB9j73x81f7QXbaSmt1JABDQFU2o8nJY6dE=' 
WHERE 
  key_id = '7e7c79a6cd6a847524962eef4b67f41866dd0b488f9032999a8040c7ab93e9ef' 
  AND (
    token = 'QxBSiJEXmB9j73x81f7QXbaSmt1JABDQFU2o8nJY6dE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )