UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDY9a7C2sNNUwAF2KW6tKvvmwQ16nPkrDK4AzO2UxGM=' 
WHERE 
  key_id = '4903be03d2c1c559e57cfb16815bcb71fbd1f99fd3207896468e23feb34dcb97' 
  AND (
    token = 'PDY9a7C2sNNUwAF2KW6tKvvmwQ16nPkrDK4AzO2UxGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )