UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OqsG9bRJcdMbt7m1ZJianIk9mojZDnbrlUccYCYUeOc=' 
WHERE 
  key_id = '2a0af371b1d24563bf2336726bf3ca188e5ebc9dccb1d3bee79aaa506e2c8fb1' 
  AND (
    token = 'OqsG9bRJcdMbt7m1ZJianIk9mojZDnbrlUccYCYUeOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )