UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X6aS0BAOTiE5ON1XFyOp8YxwwOqsB9dIvylEUNt1El4=' 
WHERE 
  key_id = 'd3690fe3a4390adebe016080a3ec37e9b51183d5d73bd9033269320da37a8342' 
  AND (
    token = 'X6aS0BAOTiE5ON1XFyOp8YxwwOqsB9dIvylEUNt1El4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )