UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RWCUO6h5My0ZEzCKQiRTlzRwsijKazONS20kwAI0Ohw=' 
WHERE 
  key_id = '53576ea11b78ccb4c67e00d444a63883e46ac5210f2ac03a0ed836493b5d2609' 
  AND (
    token = 'RWCUO6h5My0ZEzCKQiRTlzRwsijKazONS20kwAI0Ohw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )