UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jGxFaAA9oCpLbgrUpIUETfjeii35N3EKmMVykauHt5w=' 
WHERE 
  key_id = '93843bd60d7820d2bcc1381d458f531111c3870a2553dee2df3c7996a520a2d5' 
  AND (
    token = 'jGxFaAA9oCpLbgrUpIUETfjeii35N3EKmMVykauHt5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )