UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E0vEbec0BZDqq9btt2KD8cp0lKezYsWoxWv3f1VhzIc=' 
WHERE 
  key_id = '300cce79746266f67f19dc5f9b78f04bf8d59bcab127753b74d8cdd1d03e6a3a' 
  AND (
    token = 'E0vEbec0BZDqq9btt2KD8cp0lKezYsWoxWv3f1VhzIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025