UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vWhXWUglkaRhQkd/GfyxA/0bpDE90lbVOWy5zfVKHfs=' 
WHERE 
  key_id = '750d4895c199cc2c50f63f63e4969645e01475ba94acaeba15cc2d7b54e45954' 
  AND (
    token = 'vWhXWUglkaRhQkd/GfyxA/0bpDE90lbVOWy5zfVKHfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )