UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '95kWQUhuJIYuq4utxS/3ZFDUQmXToJHMeX8uOhmu3iw=' 
WHERE 
  key_id = 'b2fbb48b097b1b7a4f573f176490126e2055b71e3033f043f55a7d1ef763145e' 
  AND (
    token = '95kWQUhuJIYuq4utxS/3ZFDUQmXToJHMeX8uOhmu3iw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017