UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LqlTULK2glrWQtTlrPRoQpwQCXZCyPqNDsliH6Pi2BA=' 
WHERE 
  key_id = '51f7952dc8451939039398f17814fe2ff8e14684dbaef0648bf561782a7780f3' 
  AND (
    token = 'LqlTULK2glrWQtTlrPRoQpwQCXZCyPqNDsliH6Pi2BA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )