UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0JLocTa+qySzk5CCchqFV0o83CNt/9+nFexuecPh0ZU=' 
WHERE 
  key_id = '66644bcfa061c61abfd318769d71bf60489c7df62b0a494d088131c901f3c4f2' 
  AND (
    token = '0JLocTa+qySzk5CCchqFV0o83CNt/9+nFexuecPh0ZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )