UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EpVL4i9hxI+DjNKt068n6X1KnyJ9GHbdQmed+fpRUEg=' 
WHERE 
  key_id = '9a6e9850b12e806e87f10d78a715707f29d32bb3e485af88c3bad017e7d555b2' 
  AND (
    token = 'EpVL4i9hxI+DjNKt068n6X1KnyJ9GHbdQmed+fpRUEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )