UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '288+VvcslcapLjVAz+zdQq+2DoOpeMwjw91BkNZ0U1o=' 
WHERE 
  key_id = 'd21ce3c5e699e217376ebc2d3f45b1bad70b8b45b867def45aa07eccff8be80a' 
  AND (
    token = '288+VvcslcapLjVAz+zdQq+2DoOpeMwjw91BkNZ0U1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )