UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd1n7fd6du8tx5/GsTm5KMGGo4sRV+P9zJGi4//IrAaE=' 
WHERE 
  key_id = '4c4b75dd162c721f02841f8567a8d977b22c69f967a49e979d9ffb7b4134c3ad' 
  AND (
    token = 'd1n7fd6du8tx5/GsTm5KMGGo4sRV+P9zJGi4//IrAaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )