UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rcEmVn0xo2AmTWQmjZSCh+kW8COlusDGL5PXZphd1z4=' 
WHERE 
  key_id = '991fb5d85d8cb5c006be51231608c98a8058f5c485cc24403b99241d013072e2' 
  AND (
    token = 'rcEmVn0xo2AmTWQmjZSCh+kW8COlusDGL5PXZphd1z4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )