UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hOy1//de5M9C6D1ZcbUsgbBfeovL3wbHZPn9T4Ne27M=' 
WHERE 
  key_id = '6f4873d81775d00e4a167a252de183291f7bcfa57768a9860542853b40a349da' 
  AND (
    token = 'hOy1//de5M9C6D1ZcbUsgbBfeovL3wbHZPn9T4Ne27M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )