UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxo68ImqBWvMajMftnITlQEH4ycnXvrhpYEmVGg9dpQ=' 
WHERE 
  key_id = '6e66df42201b07d24dde9d7c5b25c7b704e5832f124be16a4ba23a5fde5597ef' 
  AND (
    token = 'vxo68ImqBWvMajMftnITlQEH4ycnXvrhpYEmVGg9dpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )