UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EmOJbV8jTWgGZce0SQ3nswukRhFGEz8Okle575xPezE=' 
WHERE 
  key_id = '6e2efe68b2771623aac1040e5d5e89b699f098eb38d965289519dcc5c7cba2dc' 
  AND (
    token = 'EmOJbV8jTWgGZce0SQ3nswukRhFGEz8Okle575xPezE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )