UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kHOVAv0ZIpaY0C+eamKEULdYgup2m1B9YYugRCVumcw=' 
WHERE 
  key_id = '840c196f05da561534b6e77e4e0d89c604ac87eea9407da68da63e5b66f31553' 
  AND (
    token = 'kHOVAv0ZIpaY0C+eamKEULdYgup2m1B9YYugRCVumcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )