UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/DGxo5eSuvb03MwkRoV2pFqJqU5o6VXGY7eR0t+n1I=' 
WHERE 
  key_id = '55eb198a40c066b16c2b004e8ffc1508e26a7dab955df99bd8912cb28e44cc43' 
  AND (
    token = 'U/DGxo5eSuvb03MwkRoV2pFqJqU5o6VXGY7eR0t+n1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )