UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AVjnHFduxOwi0GOWM1J8D2WUA2kGwpofxlpXnFv3l1U=' 
WHERE 
  key_id = '646343be37400958e07b2ae270e31da53f0be2227a10e3da4e012603c6bf5456' 
  AND (
    token = 'AVjnHFduxOwi0GOWM1J8D2WUA2kGwpofxlpXnFv3l1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )