UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4piafbknx1sznMvtCrwDNXyabxOt5b7ULBNa6hiasc0=' 
WHERE 
  key_id = '867ef20d1a7567ccd402624d288166e6edc775f95077d869d5f0eba535ca67fd' 
  AND (
    token = '4piafbknx1sznMvtCrwDNXyabxOt5b7ULBNa6hiasc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )