UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xnzLDd+ca23dB/KH97cuMRSh5SbY/fsXdOpx+4O28J4=' 
WHERE 
  key_id = 'cb0ced1c3b3abf5f2a03879d13f59edd5942180fdf0f05ad63e6b8d61ee08ec7' 
  AND (
    token = 'xnzLDd+ca23dB/KH97cuMRSh5SbY/fsXdOpx+4O28J4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )