UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QdfSEvXt1ZTPMVMSLlKvfAbFXm9iWb1vB1xx8tfns2c=' 
WHERE 
  key_id = '4dd0d03b165dbc68dde3e0a1a3d3005440591077a69993454f7601884ecc9d87' 
  AND (
    token = 'QdfSEvXt1ZTPMVMSLlKvfAbFXm9iWb1vB1xx8tfns2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )