UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tM5M4YUZO7mvdpXWfsi/rJYtM1ie9RCngx7bSk+dSNU=' 
WHERE 
  key_id = 'a97583a62ca84523c4d75cc41851f4fb3074b9c9e36b0ab8f00266d34ede2cd6' 
  AND (
    token = 'tM5M4YUZO7mvdpXWfsi/rJYtM1ie9RCngx7bSk+dSNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )