UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UK2yrVyb8BrPzmgojdF7aQST9B7bguGQuztUH45nPxo=' 
WHERE 
  key_id = 'e30338bf6a119748137d1158b04eed67403b7d816f068e6f35dd634ca5f32c15' 
  AND (
    token = 'UK2yrVyb8BrPzmgojdF7aQST9B7bguGQuztUH45nPxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )