UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uSNGURaVPwJAQ3pGbjSH/nI7A7atTBXqTHWQAkqGgto=' 
WHERE 
  key_id = '3976de2167a719f39d1fadd78f48438de55aea0fae6f28396e64987b99a87652' 
  AND (
    token = 'uSNGURaVPwJAQ3pGbjSH/nI7A7atTBXqTHWQAkqGgto=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )