UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WIu7GFPaH7rBNDJk6oXYwsJZrzl4iwhq4xyKYxJfskg=' 
WHERE 
  key_id = '48ad2d1dab9cd154203ba7e74ca59d807d72bd87d578e737650069a4cb5f687d' 
  AND (
    token = 'WIu7GFPaH7rBNDJk6oXYwsJZrzl4iwhq4xyKYxJfskg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )