UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w5mxUUqYg3LQF/VB+F345JjJTrcLTK9Owx0rQoBrem4=' 
WHERE 
  key_id = '20e45f9447af8be1c21a86105d0e5290baafedf2009328c33c5be6aa05902882' 
  AND (
    token = 'w5mxUUqYg3LQF/VB+F345JjJTrcLTK9Owx0rQoBrem4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )