UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDShUHKav+r2cudocb0neWpeJHwZ3WdqLzWMPaVWaAE=' 
WHERE 
  key_id = '4593be176396ed7b865ce7642b5adb75452e51d0410bf587c61696074fbdb80f' 
  AND (
    token = 'MDShUHKav+r2cudocb0neWpeJHwZ3WdqLzWMPaVWaAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )