UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SVLsx/SWmudrN1ZpOtE95mIZHgw5/8a+AQNl8NYZvxE=' 
WHERE 
  key_id = 'eaa7c4cb9e5ab3f7aa81e3327c8975f33aa7fee60b3940556805e9107b83d2b2' 
  AND (
    token = 'SVLsx/SWmudrN1ZpOtE95mIZHgw5/8a+AQNl8NYZvxE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046