UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRWYy3UUHly8NhOkEqjcDWqLxoyraBbu4gBRxyr3lEg=' 
WHERE 
  key_id = '287d2b5f716173a0ac50da476d3dea60eb93c27a9cdcedd4096277b632f71c51' 
  AND (
    token = 'MRWYy3UUHly8NhOkEqjcDWqLxoyraBbu4gBRxyr3lEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )