UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkSt4cUlBsT43D4N1qsc4y/hmL9b+PO/0NY71tcRw8U=' 
WHERE 
  key_id = '851435ef0f17249fee9dc3372ed7de52d921dcec1432437aad5af848cb8595ae' 
  AND (
    token = 'MkSt4cUlBsT43D4N1qsc4y/hmL9b+PO/0NY71tcRw8U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )