UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lus2vFBfpvYAi7ujQvuEqo5B6xASdIh1uQAsr3985fc=' 
WHERE 
  key_id = '93a96f5084c12508c749f406f753aefbba755088632778d0c9acbac28d4f0c03' 
  AND (
    token = 'lus2vFBfpvYAi7ujQvuEqo5B6xASdIh1uQAsr3985fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )