UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pc30jOe5ySUCMiTYxYV3rvhWo5lcRdmJPE2ANQ/zIF4=' 
WHERE 
  key_id = '5b7f8cb4a24c80dbc1e325307d853bc34f70f5519b4623d1994a45cada2ab31b' 
  AND (
    token = 'Pc30jOe5ySUCMiTYxYV3rvhWo5lcRdmJPE2ANQ/zIF4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )