UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r5H3IsBwCX7VAcJD3uH2ZpzNmySrquhnhjfnoeY1A5c=' 
WHERE 
  key_id = 'e136803f653828887aa281d19194f338dfcf7b182857f9c969cd7c3a9aa9b13f' 
  AND (
    token = 'r5H3IsBwCX7VAcJD3uH2ZpzNmySrquhnhjfnoeY1A5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )