UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nK4rebfGK+/Vw0cJLPAK40iBuNvURtVcHshcVkIoGaA=' 
WHERE 
  key_id = '4c9756d2ce34cad318ae9d37ebfb6cc30abf0a9f6b987927a6ea87c91b011d50' 
  AND (
    token = 'nK4rebfGK+/Vw0cJLPAK40iBuNvURtVcHshcVkIoGaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )