UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vwnG+UOsisg+rJgPnvRQ2XV3Gv8vmjAcfGMl/WYQLZo=' 
WHERE 
  key_id = 'ea833bffd96b8b19dd44aa413c2df3b0696e18c1c9c7da64b1edd4e8603bd333' 
  AND (
    token = 'vwnG+UOsisg+rJgPnvRQ2XV3Gv8vmjAcfGMl/WYQLZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )