UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FWh4sTtEACrG7PbDCOnPKXAKiwlx9klL4tKbaohjY0c=' 
WHERE 
  key_id = '17dc5578c7f2a4f7882e6ebc8d2ff46040e4b309e3089f063f3b4697eb65a881' 
  AND (
    token = 'FWh4sTtEACrG7PbDCOnPKXAKiwlx9klL4tKbaohjY0c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031