UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R0/HIALUfqRzd0u1HVSf8eJNzya3DCcfNpHgcMYeTsg=' 
WHERE 
  key_id = '27e4ec4e7a20b321bab71b6f37a66605998ede813280b38c66817a98148753e7' 
  AND (
    token = 'R0/HIALUfqRzd0u1HVSf8eJNzya3DCcfNpHgcMYeTsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )