UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D998fHlAurvzSO65k8XXpqwLQTOH8O822DKXVxMEPRQ=' 
WHERE 
  key_id = 'a6b341e79d3b752d83f55dbf959d85b028a3e44a4a09faaa2a8ce27802451997' 
  AND (
    token = 'D998fHlAurvzSO65k8XXpqwLQTOH8O822DKXVxMEPRQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )