UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'edGML0mMZq6Nn6Ojt4kJAFG38M5lqc3L9wu+168kFXg=' 
WHERE 
  key_id = '50acbc88395ba6001ca246c2cf386b118df037780fbd94730b629d1a65686e12' 
  AND (
    token = 'edGML0mMZq6Nn6Ojt4kJAFG38M5lqc3L9wu+168kFXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )