UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6KCURyWqfxT3PcHrjsxWs5qX5KwSDVKmLIVlAh206M=' 
WHERE 
  key_id = '42ed288462e873e229d3a2ea209f51418b08894ac47de668e8b66761a846afd8' 
  AND (
    token = 'g6KCURyWqfxT3PcHrjsxWs5qX5KwSDVKmLIVlAh206M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )