UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xpDgRx4PK5aZyhuTX238pv7XH6UE1kVLcVyaDwVrOfc=' 
WHERE 
  key_id = '87c27131dd4a3dbfe2a79e11db6fff45da976c676034348b545d43d0f305eed1' 
  AND (
    token = 'xpDgRx4PK5aZyhuTX238pv7XH6UE1kVLcVyaDwVrOfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )