UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4mGPjEVRU/nHwv/T2MIy1uTgobIaw78Mi9zfQt8HgTU=' 
WHERE 
  key_id = '2503b9037bdfa7f1ba562ba763d81833e1f6a14753ca818176b3d7a8a318ab78' 
  AND (
    token = '4mGPjEVRU/nHwv/T2MIy1uTgobIaw78Mi9zfQt8HgTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )