UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'K73j/IQMfkfoSuc6dyQ9NsxTMqpi/bxjYfPoxE6sh5w=' 
WHERE 
  key_id = '6acd0c7b6cb8129efc1dc4413794d2dc5b3acba7b99483e8ad007606bda1bf38' 
  AND (
    token = 'K73j/IQMfkfoSuc6dyQ9NsxTMqpi/bxjYfPoxE6sh5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )