UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9e7HiemXl/31j8mUcZZENX0DCVqR6goVQx8rFOUrzxs=' 
WHERE 
  key_id = '3f311343595cd93337bba599ab79b8a756a19b24ffc78e6c534728f8958f1b1e' 
  AND (
    token = '9e7HiemXl/31j8mUcZZENX0DCVqR6goVQx8rFOUrzxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )