UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5/G5L718a9ctAXn1jG/x4OV++Y9+h+pHZ6OXfWDqn+8=' 
WHERE 
  key_id = '800856672b7634c4a2ca96c5438f24238ad8d1ff41757ed40fbc4b96beb8c32e' 
  AND (
    token = '5/G5L718a9ctAXn1jG/x4OV++Y9+h+pHZ6OXfWDqn+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00018