UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v6xAy75la5X6F6m76H8+d1H90WuYb9uDq/i7x0VBnnU=' 
WHERE 
  key_id = '2c1a28f23222c3ab18c737c41cd707adf697fc335ff57b09082b776af0fd7238' 
  AND (
    token = 'v6xAy75la5X6F6m76H8+d1H90WuYb9uDq/i7x0VBnnU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )