UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xecikRDLsU4UM1QFQmnB4KQPjGcne/FeHyFgrXegDDs=' 
WHERE 
  key_id = '90a5cb251971f55db79b51bb20310a141ca5086f26efd2addd02616e7fdb2c83' 
  AND (
    token = 'xecikRDLsU4UM1QFQmnB4KQPjGcne/FeHyFgrXegDDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )