UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6iFl3wpIiSN7Is5Owm+R7Pge5NCrvgIA/f83q6LVDcM=' 
WHERE 
  key_id = 'e5729d0d2a80670d84626c4fb73a3a5d5270b2ed3e01225a9c24901498e7068e' 
  AND (
    token = '6iFl3wpIiSN7Is5Owm+R7Pge5NCrvgIA/f83q6LVDcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )