UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r09yXRSFTxmqim8RALC7iEykA7xFaKkfpFDVx3Ei5/8=' 
WHERE 
  key_id = '54dc998069f61c31004c4c12428d9f05d9445ac201be227f23580200a8b5a0c3' 
  AND (
    token = 'r09yXRSFTxmqim8RALC7iEykA7xFaKkfpFDVx3Ei5/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )