UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mmrgk04kOwx0ohQLMHWdOO6I3Bp7X2HUfhUe6KKGe+g=' 
WHERE 
  key_id = 'f8b99975554e9c631213d5219016637d4942dfbb74f5bcf9d46bc2924850fd6f' 
  AND (
    token = 'Mmrgk04kOwx0ohQLMHWdOO6I3Bp7X2HUfhUe6KKGe+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )