UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rMZ+LN2A+cgY27RZcPnhOcpnb9qW8x2f7T69/xdRZ1M=' 
WHERE 
  key_id = '722c33f927b11534bb308542ebf9e40a7376f50a27926686ebceb0f67e9b3de2' 
  AND (
    token = 'rMZ+LN2A+cgY27RZcPnhOcpnb9qW8x2f7T69/xdRZ1M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029