UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6uTKHjW5BkEHSKoXP+wkJI8LstkgyOyppRLQORuAfg=' 
WHERE 
  key_id = '4e3ef77c5a314c6e93c102a386d774b989046d2d4cb52c83de330d509ac2cce0' 
  AND (
    token = 'w6uTKHjW5BkEHSKoXP+wkJI8LstkgyOyppRLQORuAfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )