UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E3qkn4Oh34aYZLbdDL81aDjk9GUxSqMQYA9zvr99Pqo=' 
WHERE 
  key_id = '1b0831e650af62f19826d1451435016a8f7d8b2c6696cf367198b67997b2411c' 
  AND (
    token = 'E3qkn4Oh34aYZLbdDL81aDjk9GUxSqMQYA9zvr99Pqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )