UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MZvXi1IhE9ebgawiSvkkp1R2lp7NlHGLg6bwzj5Xzo=' 
WHERE 
  key_id = 'df8ed18681deffc221a32ef09fa33494842731bc8734f040f98b7ff98b0eba4a' 
  AND (
    token = '6MZvXi1IhE9ebgawiSvkkp1R2lp7NlHGLg6bwzj5Xzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )