UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rFooUAQhw/kUchiqw5WfNGroHXzmtNtgWc6lhNshSBo=' 
WHERE 
  key_id = '519faafc7fae71b2289b521a4342016c698380584a043f7f5393c5d62dd9734b' 
  AND (
    token = 'rFooUAQhw/kUchiqw5WfNGroHXzmtNtgWc6lhNshSBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )