UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U41gXk+VFlbfwa/Nbf0QL3XqgMGCoYUmhZzS2+eBNA0=' 
WHERE 
  key_id = '247e43dbbdbafe44f5b4969dc5fb036aef733087cbc8d7801079713320cab7d0' 
  AND (
    token = 'U41gXk+VFlbfwa/Nbf0QL3XqgMGCoYUmhZzS2+eBNA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )