UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k7ftT3BGkjjY5sBa5RfyyIRi/Tc4WSh2a3XYDESxRVQ=' 
WHERE 
  key_id = '99ae35eee3a39ab8d811b5c338c05265bb2cf0943357cebadb02dcf0929d1582' 
  AND (
    token = 'k7ftT3BGkjjY5sBa5RfyyIRi/Tc4WSh2a3XYDESxRVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )