UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'LWll576T0E94bAilZLWaO88V07dqZf4V6T1ihkOzMTQ=' 
WHERE 
  key_id = '2ca77216c0d6b53c3d360c5989057381d7c502b77938bf8ca35101f67bda3c05' 
  AND (
    token = 'LWll576T0E94bAilZLWaO88V07dqZf4V6T1ihkOzMTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )