UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4qBUwZ+tIy4okOPc+BUEivvTIpeAclwvwcxUok+q78=' 
WHERE 
  key_id = '879219f0358cd576e682d8cbcc5696176805987a3ee58e7a68be509346e1988a' 
  AND (
    token = 'u4qBUwZ+tIy4okOPc+BUEivvTIpeAclwvwcxUok+q78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )