UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VJUhalWvZdbz2FyE/lxx5abh7Mme4zvNDTSFLTJRKbo=' 
WHERE 
  key_id = 'a5c2344a499e8f447401b4aaad345a0121de485716abf7db5561edc532a0f998' 
  AND (
    token = 'VJUhalWvZdbz2FyE/lxx5abh7Mme4zvNDTSFLTJRKbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )