UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N51jfg9nnRBgb3LatfrvZd1q2ckNi2MsavHq/8mWTA0=' 
WHERE 
  key_id = 'e4750f9c1485dfdec91cb7f85c5b5e4fee9b9e895f3a55bfc6dfa403d104f80d' 
  AND (
    token = 'N51jfg9nnRBgb3LatfrvZd1q2ckNi2MsavHq/8mWTA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )