UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dXlxfigUSwq8JSn3GQYK2XfMh2aDxWYTAtFk0mAb6Dc=' 
WHERE 
  key_id = '679b5025dc6b60018e84aefdd17dbd3770009def9430172e4c6a63b6f43b887d' 
  AND (
    token = 'dXlxfigUSwq8JSn3GQYK2XfMh2aDxWYTAtFk0mAb6Dc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )