UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YVECefYclEyrTuc5g2x5iB5qY9YjBebvbn+JQgv2rBY=' 
WHERE 
  key_id = '4ebafc5fafca142c280286005efac6022534f3bea65418d19da3bccce732d06f' 
  AND (
    token = 'YVECefYclEyrTuc5g2x5iB5qY9YjBebvbn+JQgv2rBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )