UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GQ2FS9v8n4uUz92QFTY47HcPYVQRCN8wdYBM62gn9OY=' 
WHERE 
  key_id = '6b2805020fde6ea84dde9df2d1fa9841460f51dac99116bdedb7968be8af0685' 
  AND (
    token = 'GQ2FS9v8n4uUz92QFTY47HcPYVQRCN8wdYBM62gn9OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )