UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qCciRB2yUDeXAt3uRXTiD+iUf4yRxiKKUUDktqOBe+w=' 
WHERE 
  key_id = '8a0890cf296e59ac9ab1049cc3012da8d71b7fea683b23dfe8f5ecd0263940a5' 
  AND (
    token = 'qCciRB2yUDeXAt3uRXTiD+iUf4yRxiKKUUDktqOBe+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )