UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qomf8tecXMFfcQXsZn6VKmQa2bW6ROKaLwa7e3sBQj0=' 
WHERE 
  key_id = 'b4c555a062bfaa025abf98b7d1d02cc6fa694f3ab24f49ed4495a89c67abbd8e' 
  AND (
    token = 'Qomf8tecXMFfcQXsZn6VKmQa2bW6ROKaLwa7e3sBQj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )