UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pznME8OVU65d4oqOpJ7FMI6Ag9mbACDFlq/1QpguQIo=' 
WHERE 
  key_id = '1bc94bb0deb96f2f6a42b96578919d0651a4a1b92cbb50d749c14e47612dbab2' 
  AND (
    token = 'pznME8OVU65d4oqOpJ7FMI6Ag9mbACDFlq/1QpguQIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )