UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QyOlcdRDmtJJPahPPwwRnovuymSrSuxDfWMy0yxEo6s=' 
WHERE 
  key_id = '68e51d6942bc7dd2a2d9b971dfc298a9516a766d64cd047ed7c92372dd701823' 
  AND (
    token = 'QyOlcdRDmtJJPahPPwwRnovuymSrSuxDfWMy0yxEo6s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )