UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AnCYVyShXEOd1W0AkWttVyIg3NaHJhYr2Vxcw1Rc1/c=' 
WHERE 
  key_id = '4936ab041408fc30983956ae3136ffb9736006810b41f219746d01f1d805a72f' 
  AND (
    token = 'AnCYVyShXEOd1W0AkWttVyIg3NaHJhYr2Vxcw1Rc1/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )