UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZtHRVCGz5i4lVXGJ8VeHokfrOddmxbfnFNr+NzE6E6Y=' 
WHERE 
  key_id = '539c975a69fdf2ffc0be11d2aa8f7f4c258cc329a3a0cc25973655e265a621c9' 
  AND (
    token = 'ZtHRVCGz5i4lVXGJ8VeHokfrOddmxbfnFNr+NzE6E6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )