UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'po3+fM+sqBwdteh1cGcR3hamJfCXQjiY6x5b+iDMPao=' 
WHERE 
  key_id = '126f1a553a15b1fa6ff4e4b85cf5f7bc21fb777802fbd87cd66a92eb7e39265e' 
  AND (
    token = 'po3+fM+sqBwdteh1cGcR3hamJfCXQjiY6x5b+iDMPao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )