UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cz/bRu4cFdOnM55nasCkcdzKGGTX4BXcK4EM++7xSsc=' 
WHERE 
  key_id = 'd5b74801b6c953530dfe5b96e4f3715b839e0577df614ccb137ed701305717cd' 
  AND (
    token = 'Cz/bRu4cFdOnM55nasCkcdzKGGTX4BXcK4EM++7xSsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )