UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'thc2jtYDJrPK6ofsqJf83qsmM9UDdp3DtJ0DAqVaYDc=' 
WHERE 
  key_id = '77b7266fcd91783bf9b2835f244a38bc615b007c115f16bf4ce439785e51ba86' 
  AND (
    token = 'thc2jtYDJrPK6ofsqJf83qsmM9UDdp3DtJ0DAqVaYDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )