UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3c/55E5UUzIU3SPwKfvD+H7fgpRc+zl0L/VNsWU/4d4=' 
WHERE 
  key_id = '4de2f873477665357991e06640d290903476017239fbf6b0bcc83a54e736026c' 
  AND (
    token = '3c/55E5UUzIU3SPwKfvD+H7fgpRc+zl0L/VNsWU/4d4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )