UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4fZJdOhzUjlYsfc52OjUjNhPb+yyLELDVCrFc1kPPw=' 
WHERE 
  key_id = '508f8ecbc0859ab98c0c0c6f45d4b57984170b698da93397a6bd502840b11e8e' 
  AND (
    token = 'a4fZJdOhzUjlYsfc52OjUjNhPb+yyLELDVCrFc1kPPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )