UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SFzE6c4eBul5oCzAI4buk6RZvGCvgGhC3isXbswv3/A=' 
WHERE 
  key_id = '917ec6b93b415bfa1c48bf13909f3905f5fa335532035eaa9f180700c4746f1e' 
  AND (
    token = 'SFzE6c4eBul5oCzAI4buk6RZvGCvgGhC3isXbswv3/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )