UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0QiZaMlAx0WLRjG2woN3h7o6d2iuiF8oywRUCsNvz2g=' 
WHERE 
  key_id = '0c843be9226342a9477e0b99c208f02ab54a1ffea4141e22b5c94f290be2d1e9' 
  AND (
    token = '0QiZaMlAx0WLRjG2woN3h7o6d2iuiF8oywRUCsNvz2g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )