UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxG5y9Lqn+jYWa/AVOln57kHje9KxLu7B1LBvo+XvBQ=' 
WHERE 
  key_id = '37ce455ee162d02f46747385a8f8bcf7af926d03a26f8f5e050540acce2e8b3f' 
  AND (
    token = 'vxG5y9Lqn+jYWa/AVOln57kHje9KxLu7B1LBvo+XvBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )