UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zyndyR87Gf7dnkbEuOE90CxFZrMBU/aw6DbSoXxRYMc=' 
WHERE 
  key_id = '5a79bb795b887ae15cd561b8154a2da9654813055e2d0287a3645bb26847e292' 
  AND (
    token = 'zyndyR87Gf7dnkbEuOE90CxFZrMBU/aw6DbSoXxRYMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )