UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PcEmbLjZSNawr4FpzCgaiWKTaeNmjFK1A2JI5D3Tll0=' 
WHERE 
  key_id = '15cb7ea193da003d53a51a97e2a9cf918b90b68bd6c7774b879ac1e660290d3a' 
  AND (
    token = 'PcEmbLjZSNawr4FpzCgaiWKTaeNmjFK1A2JI5D3Tll0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )