UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nhPH3Wrz/hFNQc6sF2gULjOku6yOYnZ5+m1AwFzkj1w=' 
WHERE 
  key_id = '640d4fd57ede9ae34125a3aa34e3adea3096159e291019ae3e649d4a1f022a0b' 
  AND (
    token = 'nhPH3Wrz/hFNQc6sF2gULjOku6yOYnZ5+m1AwFzkj1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )