UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N7epz+SheIIgF6jS090XIXNgP348RJUEqy5/TygruiY=' 
WHERE 
  key_id = '4fcd2840abe0b7df222c3e88f7a784822221916a061e783638adbc2e4a81fa26' 
  AND (
    token = 'N7epz+SheIIgF6jS090XIXNgP348RJUEqy5/TygruiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )