UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A2jKOcYuXrmeClLIBQ3FXgUydkn4eID/Ef35HWAyz64=' 
WHERE 
  key_id = 'b611d942919fd5a3bdc4ad908e91cd8a1d3fe9f51cd0692284c173f28f2dea6c' 
  AND (
    token = 'A2jKOcYuXrmeClLIBQ3FXgUydkn4eID/Ef35HWAyz64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )