UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lu2n5afjpZMn7KVz664K5/5vHyknMqgTnc8r43EQOtI=' 
WHERE 
  key_id = 'a8e08ed9520d6610c8b7f23e1b0867fceff49b8d2bd621fb604d12284f380a47' 
  AND (
    token = 'Lu2n5afjpZMn7KVz664K5/5vHyknMqgTnc8r43EQOtI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )