UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '891uNqqMPX9JCxMa7zgtuPd0OTvYTwNzfjgu4NxDCxY=' 
WHERE 
  key_id = '9d6b4d0ed91dc9e5b79bf45c59e390e4eb2e3adcc3b0f82dccc4999ea0ba27e2' 
  AND (
    token = '891uNqqMPX9JCxMa7zgtuPd0OTvYTwNzfjgu4NxDCxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )