UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IRlyxMeRBATwysH6IGM+ZggwiTHgHgfWtAYt5gqJQc0=' 
WHERE 
  key_id = '393e15648cfe5ab18c9e650957e5eddf038c90c7696e6374f47c85742e643017' 
  AND (
    token = 'IRlyxMeRBATwysH6IGM+ZggwiTHgHgfWtAYt5gqJQc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )