UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MC7KYC2tl0rl5x79jZfKcpzwO+GxlNoShya525cuzpU=' 
WHERE 
  key_id = '55998c0c440a98465f48048a9cb88a2ea8d8bb020b89c68e1d0a0d31168fd916' 
  AND (
    token = 'MC7KYC2tl0rl5x79jZfKcpzwO+GxlNoShya525cuzpU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )