UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kb7smr479oiy9kWb+GreMuRHAg6VeSZlxChoa1sYxxc=' 
WHERE 
  key_id = '4f594b6d07deaf36e6adef8f0e82d4147e3f45b4d29afdc2a5fc2db18c8e0392' 
  AND (
    token = 'kb7smr479oiy9kWb+GreMuRHAg6VeSZlxChoa1sYxxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )