UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ej6oA8VZMZQ4uHGFAC8Z53muZYLhojF4SiCqgu85FTw=' 
WHERE 
  key_id = '29417286b9c27fbd7c8334453388f052eccf7e8e11899e11e7e5d913f50106b2' 
  AND (
    token = 'ej6oA8VZMZQ4uHGFAC8Z53muZYLhojF4SiCqgu85FTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )