UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4SZcVMRiUY0WYmBNl9tvvI8lzEFBYzYmHgxaRDIZAUw=' 
WHERE 
  key_id = '6404caf51cbea881f7f7da58ccb7f9ea8ad07056d61717cee411d3179ee637a6' 
  AND (
    token = '4SZcVMRiUY0WYmBNl9tvvI8lzEFBYzYmHgxaRDIZAUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )