UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xstlg8upjO9PVIy7CGaMI1PkI2Oig6y55cQjVOE9+cE=' 
WHERE 
  key_id = '78d5e7e5402b20f6bd7ee77d38f983edd1996f7a6e57fd8087bf5bef94a8c51e' 
  AND (
    token = 'Xstlg8upjO9PVIy7CGaMI1PkI2Oig6y55cQjVOE9+cE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )