UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QE2FTMFXAQ89omXQtTL84NCO+z2eqP6TilF+kioQJRk=' 
WHERE 
  key_id = '8387b490c3025d5af57f6ffb87accb6ccbf9af13bd68aa1c5a31a2b295391993' 
  AND (
    token = 'QE2FTMFXAQ89omXQtTL84NCO+z2eqP6TilF+kioQJRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )