UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hr6IrJaEjc2G1pYeKPVhlGm1p/5z0dQ2t4mVPUtkAJ4=' 
WHERE 
  key_id = '491b054d1102ca2de1bf5712643f47046aec881409e39ce583a6583a2a5eeebe' 
  AND (
    token = 'Hr6IrJaEjc2G1pYeKPVhlGm1p/5z0dQ2t4mVPUtkAJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )