UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejXcLjL+05vf5ryXJNHaBmMrGntmMzL2yLrKo6PyN+A=' 
WHERE 
  key_id = '984570848d7a98ba5757b220c16b80c1b2c25a470292a226e62038bf303d02b4' 
  AND (
    token = 'ejXcLjL+05vf5ryXJNHaBmMrGntmMzL2yLrKo6PyN+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )