UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C5LbFmOTgeaG2qqsodgp+ztolXL3g1qB1U9k0s7O9f0=' 
WHERE 
  key_id = '31a15d8014ff2119444551a19057168a1930132895d600fb786a4395ea649e9d' 
  AND (
    token = 'C5LbFmOTgeaG2qqsodgp+ztolXL3g1qB1U9k0s7O9f0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )