UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UOaeeyGVZbVgczvu5YdM2vWzWaxjigfg2Px9EJVRdG4=' 
WHERE 
  key_id = '955e500cb62302ec8ef5d23aba976a5b3fd975f25d9f2a391b1190b79d5774a7' 
  AND (
    token = 'UOaeeyGVZbVgczvu5YdM2vWzWaxjigfg2Px9EJVRdG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )