UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9PkEb+5bqgkuSRSvvv0BlBFZnepxV0aN9/u3DdpZdzc=' 
WHERE 
  key_id = '42ff6b8c99e1cf557fa938401f38c4c750f2c170983f332381cdecfb3142de2c' 
  AND (
    token = '9PkEb+5bqgkuSRSvvv0BlBFZnepxV0aN9/u3DdpZdzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )