UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6iAPOdbdjtCCo6HkBYp5eHhZNAiq+1uNdpUN0baaCdA=' 
WHERE 
  key_id = '99e3ade0672f990a4c73c66fbe1088ab563c9005b3a8626b38c25208eb2d2a70' 
  AND (
    token = '6iAPOdbdjtCCo6HkBYp5eHhZNAiq+1uNdpUN0baaCdA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )