UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3m08ark29bzDDD40MblYmbt0zQZ5rEhESKKQfcvx7e0=' 
WHERE 
  key_id = '835d3b861a4074d33e35d86cd3849f4d11e6d59d468ff74458306de1943832fe' 
  AND (
    token = '3m08ark29bzDDD40MblYmbt0zQZ5rEhESKKQfcvx7e0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )