UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GaXmZMp8xQZ00wLj52O2w86gSX4jpMtKQvZY6XkNjDY=' 
WHERE 
  key_id = '303d7129e15655158198bc70ceec2825a39160c988b3d71a294a9b450998cae3' 
  AND (
    token = 'GaXmZMp8xQZ00wLj52O2w86gSX4jpMtKQvZY6XkNjDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )