UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r5BWrA6P+pypRrI5VP+w83uc3hYt9LRvuSMkOJ4oOL0=' 
WHERE 
  key_id = '8551314574ea73e64157666c8e4b63dcf7530067341087af27909be43eabb2df' 
  AND (
    token = 'r5BWrA6P+pypRrI5VP+w83uc3hYt9LRvuSMkOJ4oOL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )