UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zdJJRLfNATksXWT48nJEREMoHWP0+Uz+ENujKryvHPQ=' 
WHERE 
  key_id = '44d2ecc22b5e2a10631892a71400504e9f633021b1e7d83f6ac6b48b4faa98f1' 
  AND (
    token = 'zdJJRLfNATksXWT48nJEREMoHWP0+Uz+ENujKryvHPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )