UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RtgcQoEZKPFNnzHegObulV+zvayzdwKxap++bbXnh0U=' 
WHERE 
  key_id = '2e89791e46849c6b06b81135b82e0d3639fe8e17cb70c65a102e488778f68d33' 
  AND (
    token = 'RtgcQoEZKPFNnzHegObulV+zvayzdwKxap++bbXnh0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )