UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hg6kflAVlRczdspA1JV5GrKOQGe5X3YSsw79IhJUexg=' 
WHERE 
  key_id = '2c56616b24c05aa2b2b8f8fd04be9825d387e573a6ae8a402397a98b032931a7' 
  AND (
    token = 'hg6kflAVlRczdspA1JV5GrKOQGe5X3YSsw79IhJUexg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )