UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JP8Ml81ay2zhJh4GFC1TCiMfkG9AzTr154qQ3DEnJOY=' 
WHERE 
  key_id = '735423a25675e11d3fefc452d6ff84f907057372415f076c42c7e997df614ec2' 
  AND (
    token = 'JP8Ml81ay2zhJh4GFC1TCiMfkG9AzTr154qQ3DEnJOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021