UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Weeax0ElK7bRFFi0Gj5NBxAdcsep9PV3vNae9OhoSIw=' 
WHERE 
  key_id = '8323a69d46d766180bae670514da91b434e3f0e6436ea32b518a7479e92062dd' 
  AND (
    token = 'Weeax0ElK7bRFFi0Gj5NBxAdcsep9PV3vNae9OhoSIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )