UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2fW6DhNmKKldrS0j/EMI+utHoJOYMW5me9A0VgWOz0=' 
WHERE 
  key_id = '311d2f16b7b68fdfb177d421793a793a928f8e64545c25157b54debd108df1b3' 
  AND (
    token = 'k2fW6DhNmKKldrS0j/EMI+utHoJOYMW5me9A0VgWOz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )