UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IEh67pK4dwyRn5h9a9uKeKew2/PFQB6PMxHWDkYBbRY=' 
WHERE 
  key_id = '897513b85a99088f75556bb7885626910aa230a4320a51d3c318d02345355b4a' 
  AND (
    token = 'IEh67pK4dwyRn5h9a9uKeKew2/PFQB6PMxHWDkYBbRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )