UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B4HDcdhaYr1CeoZx0ZLpT+g9+R66XV0uk8kEVIRCIWk=' 
WHERE 
  key_id = '0ecd2be4c6cdabc65e1c8783667fd00f658b2b0471bcdbb694b9588f7e8e5435' 
  AND (
    token = 'B4HDcdhaYr1CeoZx0ZLpT+g9+R66XV0uk8kEVIRCIWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )