UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i2eRPIjqO2OhiCHsWBCqb7wrg2ijnoneWkIFpph79OU=' 
WHERE 
  key_id = '7e52adf74a0df24956dc71e9811a931538d021f4d8efe332e8c57d21aae41371' 
  AND (
    token = 'i2eRPIjqO2OhiCHsWBCqb7wrg2ijnoneWkIFpph79OU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )