UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mAdmvTWqedJrJS8rdRvG2ZncwUfBN2lGQbL/4j3f7Ww=' 
WHERE 
  key_id = '838a691df43cbdb7d425c7aa349830ff394c7e42a893ae8849cae099e0b61e13' 
  AND (
    token = 'mAdmvTWqedJrJS8rdRvG2ZncwUfBN2lGQbL/4j3f7Ww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )