UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6sbeRlPN0oltCxM+H3vIH0jlWZfHytp+cBZeHYSOBg=' 
WHERE 
  key_id = '6049636c889e5ac1fbd18c5e5d725a8afe41e60740542c25493563fb7862b756' 
  AND (
    token = 'R6sbeRlPN0oltCxM+H3vIH0jlWZfHytp+cBZeHYSOBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )