UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zWg/YxuIWqL/qV/9B4YftDBVCFMCyCV2nmWvYNI5qb8=' 
WHERE 
  key_id = '81821a887996d136e4c71c2c783e0fe475a0e3fcd927c7713af6e2d4aecb2c74' 
  AND (
    token = 'zWg/YxuIWqL/qV/9B4YftDBVCFMCyCV2nmWvYNI5qb8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )