UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgL4jOUY8vgsFL1ItkPlO+i0iqPH1frl6KAhz7lpFN4=' 
WHERE 
  key_id = '4a4f39dce4a84c52a922d311f12bce74ada14462ba216436f5372838fd51eb56' 
  AND (
    token = 'MgL4jOUY8vgsFL1ItkPlO+i0iqPH1frl6KAhz7lpFN4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )