UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CwAW1iHfO51dtPriSNzReofmJJKzCQ+uKQzIy/Mf1vE=' 
WHERE 
  key_id = 'd2c7b051e6e78e614face8b3291d5b0c48e097d5fc2b784dc4fddc6e34a73209' 
  AND (
    token = 'CwAW1iHfO51dtPriSNzReofmJJKzCQ+uKQzIy/Mf1vE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )