UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gkc2XR3JNt0HdYsx6wTFLk6ElJM/8DWj+1+PDUNtDl0=' 
WHERE 
  key_id = 'b234a7f9301f3b28d5770a328abcb411671d68ad0ed7f73276f34439c6316a20' 
  AND (
    token = 'Gkc2XR3JNt0HdYsx6wTFLk6ElJM/8DWj+1+PDUNtDl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )