UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cAutYG1hewRlRrakV52P1VkZEeXYnV4bzxBC3G3/Wvw=' 
WHERE 
  key_id = '876dd4c2848e4bfbd3dd617f8bd3abb41c746e44fe3ec00b3fa0b3693fb583a3' 
  AND (
    token = 'cAutYG1hewRlRrakV52P1VkZEeXYnV4bzxBC3G3/Wvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )