UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't6buFsDADFi+dw36aGprmHNhOowAIDaCDZZv8f4mIkM=' 
WHERE 
  key_id = '855f6414575734fee2bb60d7dabde015308a2e656b718ce78835f8fd614125da' 
  AND (
    token = 't6buFsDADFi+dw36aGprmHNhOowAIDaCDZZv8f4mIkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )