UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'McV8lU4AKHemt+ReyDnkEIpe1lSIB1Lw4hf7llrfqcI=' 
WHERE 
  key_id = '769fd51fc56341ed907d71b3b04399559ac22c3e3bedd4a69c72336b86b7be6b' 
  AND (
    token = 'McV8lU4AKHemt+ReyDnkEIpe1lSIB1Lw4hf7llrfqcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )