UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kb/rQaUXJbXtsfme4sv5Fdybv23tye5Kz3iB0N60x70=' 
WHERE 
  key_id = '83721ec2e23777f834cac846dee335e993ff7806f299516b54c8cea9a03511ec' 
  AND (
    token = 'Kb/rQaUXJbXtsfme4sv5Fdybv23tye5Kz3iB0N60x70=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )