UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Su2bPRSqscyv8VlrQcYLvUhiSY4oGcItah/b3iAkFWE=' 
WHERE 
  key_id = '94c70f39b13499fb3ebaf3941b90df32f2115cdb1c4a7ced7c2b81b7cae38bd7' 
  AND (
    token = 'Su2bPRSqscyv8VlrQcYLvUhiSY4oGcItah/b3iAkFWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )