UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NB2qYagWlaBfr08Wc+Xnu7mnS4TV6zekqbQK6SFPKos=' 
WHERE 
  key_id = '8cdacfe5857d29999ac5d65afa717287937546c9158f105b5f6637b6de0d0d82' 
  AND (
    token = 'NB2qYagWlaBfr08Wc+Xnu7mnS4TV6zekqbQK6SFPKos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )