UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lqlf0jsba2GAPAcGGVFMKtleoUCnv68CE4N+2ntGIfE=' 
WHERE 
  key_id = '76c3279608c476f5d060f1fcd8dcdaffe74b025f2750da7ac1705e45d9c8d238' 
  AND (
    token = 'Lqlf0jsba2GAPAcGGVFMKtleoUCnv68CE4N+2ntGIfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )