UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VjDiesp0zSU3zbxhHzB6WK2FyJIfYebJbMjJFU1Sd6U=' 
WHERE 
  key_id = '51a89de2471679d5af676f231ce196f17861ab11c970fb438b02c1399da55680' 
  AND (
    token = 'VjDiesp0zSU3zbxhHzB6WK2FyJIfYebJbMjJFU1Sd6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )