UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V2fwqPGH8mcbn+XbMc+wAGjcRbbHYmd9aeC3eDHEl/U=' 
WHERE 
  key_id = '93901c67fe01baa476738dbca801cf09efef1e52914145a3768612d873ed0514' 
  AND (
    token = 'V2fwqPGH8mcbn+XbMc+wAGjcRbbHYmd9aeC3eDHEl/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )