UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A//orqAw0bdE94/PCgsfiVPlWD3BMyjQ0dDbiiWoDAA=' 
WHERE 
  key_id = '1852a93c84ea91bc1f8ec2c8193dfe3ceb036d4cce2a73c9bc089d8e0ff8ca36' 
  AND (
    token = 'A//orqAw0bdE94/PCgsfiVPlWD3BMyjQ0dDbiiWoDAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )