UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gV9P2OMRSXa2vuNZGRwql0Ybt4jDsZR2nD6vMbVxyns=' 
WHERE 
  key_id = '96ebabf80f63ab7ebae3775597f9d8838c0bc526a587ef85e31e7af56353ac2c' 
  AND (
    token = 'gV9P2OMRSXa2vuNZGRwql0Ybt4jDsZR2nD6vMbVxyns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )