UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p5nLLWwWre3AqYL9BvbRgI1wXPd8Ix7uYeXlnX1PxyQ=' 
WHERE 
  key_id = '50dc947f7abe6d5b92c01559942034562ecd1b8d2f917fa99ed83584941c0de4' 
  AND (
    token = 'p5nLLWwWre3AqYL9BvbRgI1wXPd8Ix7uYeXlnX1PxyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )