UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ld51xq8i863NsKpNIHVwiOpOIH6xhMv9EeNkDFX3q+U=' 
WHERE 
  key_id = '42a878adf7e35c2b5eb4777d2ab1d4f58650439d22f7a5e1e143d015aad47537' 
  AND (
    token = 'Ld51xq8i863NsKpNIHVwiOpOIH6xhMv9EeNkDFX3q+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )