UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bKZUPIoa7ppMiOAeryo1pwAv+fllEPIHdLMZ8asT9hQ=' 
WHERE 
  key_id = '5124bd1d1a6ebf72bbdf88439f28b0ba6205b56be92c94b4f28d46eb1a37af99' 
  AND (
    token = 'bKZUPIoa7ppMiOAeryo1pwAv+fllEPIHdLMZ8asT9hQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00056