UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4MObGJlg0ZnBfFnsHV/RcEFLZzosTelI+Y4GUDbWoI=' 
WHERE 
  key_id = '203d0f399b9a8ab35b73c18e00bbe246e4a13ab39d430c58bbbc05c34b79d540' 
  AND (
    token = 'r4MObGJlg0ZnBfFnsHV/RcEFLZzosTelI+Y4GUDbWoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )