UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B2ceKW3UuS8nA6fFXKBXovwkvVUGad9ow2zHwPenqMs=' 
WHERE 
  key_id = '251c4623b7afa5beb52beb7f18106e897d07ebc8189cf0120faf34ca455be15f' 
  AND (
    token = 'B2ceKW3UuS8nA6fFXKBXovwkvVUGad9ow2zHwPenqMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )