UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uWP/+UaOslsS+3RPUqh59voSklzkC45d8Z7EMB94cBk=' 
WHERE 
  key_id = '6e61818c7e527fc3223efb7d02e48b9ea72b788260ca28eb3f3a8de12e569918' 
  AND (
    token = 'uWP/+UaOslsS+3RPUqh59voSklzkC45d8Z7EMB94cBk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )