UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vihu9LBe44TBtdIccjijAWFLfuxTJiEZElHHiOq2egU=' 
WHERE 
  key_id = 'a03e5199fa7b1b7d94f7db251e197794ad7f53cd897b204133fbee9391ff6194' 
  AND (
    token = 'Vihu9LBe44TBtdIccjijAWFLfuxTJiEZElHHiOq2egU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )