UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gq2pfNRpuX4WsO7RTl7XmpOYPhMwws6D4p1aIK67fgc=' 
WHERE 
  key_id = '904e7c03a2669d3c095fb3090927982c88e05265b94a7781e6097f9212b02a59' 
  AND (
    token = 'Gq2pfNRpuX4WsO7RTl7XmpOYPhMwws6D4p1aIK67fgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )