UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xRqqQTsuk/zkTH+caT17tzabSue9mPcGqHxaTvknT/0=' 
WHERE 
  key_id = 'e1dcbb8e0d1aa19c5ef2b09a5a5019e8fd0c5867dd0d165d6e43bd40f0608bc1' 
  AND (
    token = 'xRqqQTsuk/zkTH+caT17tzabSue9mPcGqHxaTvknT/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )