UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '56T/pWF650GWGip8w6lzlvXfC93T0QN9E2dNhqDv0ok=' 
WHERE 
  key_id = '4e8538c0790a9dc58666fe022ee8a581e2b5f067c12118080739a688aba98f62' 
  AND (
    token = '56T/pWF650GWGip8w6lzlvXfC93T0QN9E2dNhqDv0ok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )