UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ttfy96Cn6198PQ66QV3RByjHcXdJcgimipD5tdb1vtQ=' 
WHERE 
  key_id = '50c6b5a6037638f05dcef4189c5d7c2a281dedaf910ac400fbd4c63b68a09ec4' 
  AND (
    token = 'Ttfy96Cn6198PQ66QV3RByjHcXdJcgimipD5tdb1vtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )