UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x7fqQATjYd7RTs2dmoeqJN1FFyuUkPgdmecXktOz21c=' 
WHERE 
  key_id = 'b15bb48d47377f6a26c423baaeacf1fa6956da9d615156675a12d037ae70890e' 
  AND (
    token = 'x7fqQATjYd7RTs2dmoeqJN1FFyuUkPgdmecXktOz21c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )