UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eGArZQfvGCCbBryeM9dYTxh8fGP0AoFUX3ocuD1IiQg=' 
WHERE 
  key_id = '544cf123347b5c219d62dd72d1d3a9835a9bff73aac9a8efe95549f54040be70' 
  AND (
    token = 'eGArZQfvGCCbBryeM9dYTxh8fGP0AoFUX3ocuD1IiQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )