UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QLZN4yjbPugbEMJnLy5PODtro66sRiNTxa7xo1BJiDQ=' 
WHERE 
  key_id = '6e0997fbb3e68e85cd0c4e6ff217ef34bcd0a6bb0b9c1596a20c4062cbd93e9e' 
  AND (
    token = 'QLZN4yjbPugbEMJnLy5PODtro66sRiNTxa7xo1BJiDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )