UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F7M2KSxYbXuysPWYzPriP5Ef/L/QRJanIxoYROaLQDU=' 
WHERE 
  key_id = '476b23ac259097afc256a9828f4e03aa8088577eeb4b7d3d56e6e513118cb237' 
  AND (
    token = 'F7M2KSxYbXuysPWYzPriP5Ef/L/QRJanIxoYROaLQDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )