UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0zUE9kfsJ+6OCQFepySU7YHUZTIhjHWWGTenhSBoQBA=' 
WHERE 
  key_id = 'a1804227ecd9a545ab8e1da7201bc57669d9d17675f548add77056bed069858e' 
  AND (
    token = '0zUE9kfsJ+6OCQFepySU7YHUZTIhjHWWGTenhSBoQBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )