UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mu4DYcs9vKBYMBRkCUxkquAykkjKND43myTvEsFYbsw=' 
WHERE 
  key_id = 'ce61521fb69f40b48e5f4c601972da212eb4f46a513d9bed9b9f2794d85fe17a' 
  AND (
    token = 'mu4DYcs9vKBYMBRkCUxkquAykkjKND43myTvEsFYbsw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )