UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AMeG9W+oFYibpjeSqw6sm/Z4wgf7xu1/pZDcO6/JBcA=' 
WHERE 
  key_id = '1621ce2bbc2d747a28d29a2cadcd3c1f02ef8fa296d87dc58b66021c6cac19f2' 
  AND (
    token = 'AMeG9W+oFYibpjeSqw6sm/Z4wgf7xu1/pZDcO6/JBcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )