UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8EEh6fp+NXbpaSeSPwNziE1JA41GOHhRwfc/iHUfaY=' 
WHERE 
  key_id = '495cac486e9ddf7f837024540834d9753e302c90e0d037d9c0ba4ac4ff46c8b9' 
  AND (
    token = 'z8EEh6fp+NXbpaSeSPwNziE1JA41GOHhRwfc/iHUfaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )