UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ExzFq9ct6thtGdWRL87qIG1beY788xnREtlbrh4f/iQ=' 
WHERE 
  key_id = '2b6fc41ac998907358c342ca7711f591468963d736b52c20b038f7d2958da136' 
  AND (
    token = 'ExzFq9ct6thtGdWRL87qIG1beY788xnREtlbrh4f/iQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )