UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i5jQXRu61EFUKLsnfaG07Eytasmr2TOa2yrctb9DEtE=' 
WHERE 
  key_id = '02e331278ff6002cae98309382e4eaac9624392e3cf8821363a474de9398e68f' 
  AND (
    token = 'i5jQXRu61EFUKLsnfaG07Eytasmr2TOa2yrctb9DEtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )