UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bXMrqXjqQaGLuF873kmSq+HWKANrjq9GAxdAAw6WDV8=' 
WHERE 
  key_id = '21f54d46f6b5d157e75356d181c767b26c16bacaed5154d291d15c751d624fd1' 
  AND (
    token = 'bXMrqXjqQaGLuF873kmSq+HWKANrjq9GAxdAAw6WDV8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )