UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MOadnkgM5exEJDrYx2zBD+G9Of+GPNZZcFl1dlbfCtA=' 
WHERE 
  key_id = '49bbc042a7191386d99a85673fa1771e85b0799706fb8625aab1d3be252aa083' 
  AND (
    token = 'MOadnkgM5exEJDrYx2zBD+G9Of+GPNZZcFl1dlbfCtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )