UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJXXj5b6b8IIj1IFHCGXgtQAFEO+puj+XZVM2V1OG60=' 
WHERE 
  key_id = '8b59efd35184296afa0b74078d6bafe6b645bfb4a77186ead348718537d67d94' 
  AND (
    token = 'MJXXj5b6b8IIj1IFHCGXgtQAFEO+puj+XZVM2V1OG60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )