UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lvf5nH4f6bjrWGufb4uRUXi1wJJb8FLYIGnO2waaeCc=' 
WHERE 
  key_id = '8a81ffc1b2690ffe48dc5e325d9e88251ffb200730dae529d8b57aac5453a143' 
  AND (
    token = 'Lvf5nH4f6bjrWGufb4uRUXi1wJJb8FLYIGnO2waaeCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )