UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pLvA7JngiDC/iBmPyI9iQH/ju5oZczqQsEwSTA0BNTI=' 
WHERE 
  key_id = '75b95d3037742b5fd512dee03b3a396092bf878e9f6b1b3aabcc97d49fde342a' 
  AND (
    token = 'pLvA7JngiDC/iBmPyI9iQH/ju5oZczqQsEwSTA0BNTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )