UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7TcU2SssXiY1Cu3w1bslgZWeED1qY+bA4a/TRYSFfg=' 
WHERE 
  key_id = '6dc2ba79fcab1105026e4058a8ba71313e59745cebf1436e7e15bb1fb35d5ce4' 
  AND (
    token = 'b7TcU2SssXiY1Cu3w1bslgZWeED1qY+bA4a/TRYSFfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )