UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WRGXG4VnQnBb0l0nQjAjSWYxpw1kxULEDIobWtrKmG4=' 
WHERE 
  key_id = '9a4ff39c9a069ffa7454a3a4d87b39befd09c03e96909a3c1d1cc73ba4ddae52' 
  AND (
    token = 'WRGXG4VnQnBb0l0nQjAjSWYxpw1kxULEDIobWtrKmG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )