UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AsQwoOVTv5PDqUO8mVDUcnSXWVKgnsvKH72MpZzITWM=' 
WHERE 
  key_id = 'c9561a735fe57131c95fa3923fe740abaea289c1bdad039969099392446f2be2' 
  AND (
    token = 'AsQwoOVTv5PDqUO8mVDUcnSXWVKgnsvKH72MpZzITWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )