UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLOP8oS/pTdiHSYq45IKO9hCBWuYuTp6ZRHUW2gfRJQ=' 
WHERE 
  key_id = '859c52af51076308c8a46701066481405e012aaa83e6483a12d0ccaffbe6f3b1' 
  AND (
    token = 'KLOP8oS/pTdiHSYq45IKO9hCBWuYuTp6ZRHUW2gfRJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )