UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yQxAeAl5vJ9y7xmOy3a1mzFwV//+mAoBmkhqw9gMa6k=' 
WHERE 
  key_id = '45b720fd14cb0d71e18ebf926f8e436ed963e06dd0a5364dd98339edfe953542' 
  AND (
    token = 'yQxAeAl5vJ9y7xmOy3a1mzFwV//+mAoBmkhqw9gMa6k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )