UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCZt/JAZN4I9EIThnfrU1akGtWyBtHbgIFD3FJ1kSIc=' 
WHERE 
  key_id = '6b168dbf9f0278b5c41b04509d5bacc16b05909531036018d0f7214ccc8e1df1' 
  AND (
    token = 'DCZt/JAZN4I9EIThnfrU1akGtWyBtHbgIFD3FJ1kSIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )