UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6GN2t39F8moUnr+nTHRDzMN5aqVVALvW3HlMCGPlBE=' 
WHERE 
  key_id = '12be6cd0ca4e7481008d80e2b8cda1c57224c0a39b9b80ed97c2e17a3d3455c3' 
  AND (
    token = 'n6GN2t39F8moUnr+nTHRDzMN5aqVVALvW3HlMCGPlBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )