UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KTkI/zdiEsHYa1NUs1itoyDLq5noDp84jNPpIU8F820=' 
WHERE 
  key_id = '2c0bcdbb5e3ea1ee31c9a5ff9ce8ee39bdb5696ecded566e17452c37413df75f' 
  AND (
    token = 'KTkI/zdiEsHYa1NUs1itoyDLq5noDp84jNPpIU8F820=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )