UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+xdyPEijAxeJl3DaJ6p+46EH+vgZazFcdSVJngl6XQ=' 
WHERE 
  key_id = '475e436d49f2b58049895ac2f4157ac67754b4f7a2201db4974f65cd150d413d' 
  AND (
    token = 'n+xdyPEijAxeJl3DaJ6p+46EH+vgZazFcdSVJngl6XQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )