UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JS5vLz37NmuCyEIwP/PcNPu0lZjizuZwZWFSrbBA74Q=' 
WHERE 
  key_id = '918882825a9becb78dfb66cad50d7b081713d07ceebacc7e713b6f97a8be5939' 
  AND (
    token = 'JS5vLz37NmuCyEIwP/PcNPu0lZjizuZwZWFSrbBA74Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )