UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WU/aubfx/xnN8F+tGhxux7VEfiaPks5xT0W6S+5LCGg=' 
WHERE 
  key_id = '350e479bc28e9870af9688109e7da23b7e7465acf787b52aef333767f7b2de21' 
  AND (
    token = 'WU/aubfx/xnN8F+tGhxux7VEfiaPks5xT0W6S+5LCGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )