UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mek1l9fGWVrQU/Q3HdkBRJ/eAggYMcr6CEGYyUl2SYU=' 
WHERE 
  key_id = 'a14dc9ce9575183a80f7c56a8aa0d44c42578bfc71db75efd362675181cc0d97' 
  AND (
    token = 'mek1l9fGWVrQU/Q3HdkBRJ/eAggYMcr6CEGYyUl2SYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038