UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MT7s+9IfQk366aHbOb/ih14F71RSt+hRDf71AxBAMpY=' 
WHERE 
  key_id = '93b191df06157587fb2ead12043d73a5b4f78767f1444420930d13e30fbe8c68' 
  AND (
    token = 'MT7s+9IfQk366aHbOb/ih14F71RSt+hRDf71AxBAMpY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )