UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/38RpUXbl1wpu7bsHQZHqZ1v2NrkiNM4eaz257htP9U=' 
WHERE 
  key_id = '4c02418381012a41b15bcd3febfa749cf7b282b0e6c1535a958cc5b7f670b71f' 
  AND (
    token = '/38RpUXbl1wpu7bsHQZHqZ1v2NrkiNM4eaz257htP9U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )