UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5eJ/gQxM6HLeSBnh9waFjMjljwlTxXLN7ooGFoQ0UMM=' 
WHERE 
  key_id = '582bf93c45b8d627a277ec45b042649bdbb2b671bd39add98d81431efa4f1901' 
  AND (
    token = '5eJ/gQxM6HLeSBnh9waFjMjljwlTxXLN7ooGFoQ0UMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )