UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJ3xyufixnlniXrvAOUsTb7tjsywB7OxBYkzTE3JaHk=' 
WHERE 
  key_id = '1eb1ffdce885e9328cd8446f25ad6bae121aab107b543d8788d051d3f3798650' 
  AND (
    token = 'PJ3xyufixnlniXrvAOUsTb7tjsywB7OxBYkzTE3JaHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )