UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xGUzff4vbkMSUWJPALCDUpLlsJ4PpaonzUEjWvgeS0A=' 
WHERE 
  key_id = '9cd8764a7627b734db9d0ec6468eaa206cbf0eb394799223606834a371ee02b3' 
  AND (
    token = 'xGUzff4vbkMSUWJPALCDUpLlsJ4PpaonzUEjWvgeS0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )