UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9bRkm09PCNcgtORx26kxW5KjMxovZWIEShsf+RY170E=' 
WHERE 
  key_id = 'b3be55608e1412d5d2f1358f941d1ca79838ae4b9b3d6097471cd99d7041f9ca' 
  AND (
    token = '9bRkm09PCNcgtORx26kxW5KjMxovZWIEShsf+RY170E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )