UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q4PyNSPYNo72VAVnnklgMGGWWqNTIMpQGyuxeTn0XpQ=' 
WHERE 
  key_id = '7e8673d4cf101a496de0264db10fc3b91254c27ea54d5a865b570d442eddc785' 
  AND (
    token = 'q4PyNSPYNo72VAVnnklgMGGWWqNTIMpQGyuxeTn0XpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )