UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sDm6QQgcuJ+CkYr9eguatl1OMDitSZZQP5WU+8Sxdtc=' 
WHERE 
  key_id = '9975ec8302b5e68614a2b61506380a3b62ac3d1a6cafd765340070971b4ff2b7' 
  AND (
    token = 'sDm6QQgcuJ+CkYr9eguatl1OMDitSZZQP5WU+8Sxdtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025