UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zT+zt3ZuHllCgoSXJevA1NPP3QRi3nrWjomNAsJVdSU=' 
WHERE 
  key_id = '49836a4cbdea74188144f20a7112de0cb0bfd82b21d76006878b3d1d667371fe' 
  AND (
    token = 'zT+zt3ZuHllCgoSXJevA1NPP3QRi3nrWjomNAsJVdSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )