UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mCKxbrAJNbGB2r92tKFBU/PCxI2EDWrOGQ7h+bKB4YM=' 
WHERE 
  key_id = '91364e7dd03555bce7f2d2d52d22ba3b504d8646c9630fdc57bb88e8f56fb03d' 
  AND (
    token = 'mCKxbrAJNbGB2r92tKFBU/PCxI2EDWrOGQ7h+bKB4YM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )