UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4mm6/MOrGhSIsMmAaaZlMe56tLvziwZI1pd/WtVKlk=' 
WHERE 
  key_id = 'b18cfb794a4786b5a5c143b98271388ac908eff3a3bb35815f200c0d187318b6' 
  AND (
    token = 'P4mm6/MOrGhSIsMmAaaZlMe56tLvziwZI1pd/WtVKlk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )