UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a8bI9PVMdvScuTIF5Rh4esUSNLdyRTWLvmAbY7XoHc0=' 
WHERE 
  key_id = '81915f98b9dba1173e931d455aa3a780df2b4d737ed4879e13c9fff06237e8b8' 
  AND (
    token = 'a8bI9PVMdvScuTIF5Rh4esUSNLdyRTWLvmAbY7XoHc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )