UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/9QGzZXtWM6RA352ELTx2WNIU/9VwaGpooomXiOMxs8=' 
WHERE 
  key_id = '78ef2c7280f31324bc11fed466ea10e6dd34b0f2df73fb5189a6903ef73cc682' 
  AND (
    token = '/9QGzZXtWM6RA352ELTx2WNIU/9VwaGpooomXiOMxs8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042