UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'gmalDymXJHdZrekqSGqWtiuaROs8wimQDJMgc58pCd4=' 
WHERE 
  key_id = '7cd8a7520c1e56d3f3ac4967ced23267931ad1c6d122439adce6e22b65b873bd' 
  AND (
    token = 'gmalDymXJHdZrekqSGqWtiuaROs8wimQDJMgc58pCd4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )