UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uqf9xl2Ot7BlRn5pa+TQlv/hDUGpP4hknLrSnB1RSds=' 
WHERE 
  key_id = '51fc4454140942ce4bfd491f63555a3fd09dd783802f02284a476dde7ec062ff' 
  AND (
    token = 'Uqf9xl2Ot7BlRn5pa+TQlv/hDUGpP4hknLrSnB1RSds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )