UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SW+2BbXiTHMip9C2KLlGOd0FJFq4EoJqXgsxC10Zoqk=' 
WHERE 
  key_id = '5da305537518c26b8ccd9bd583621193efb267b1270ce63ea379271919d41db9' 
  AND (
    token = 'SW+2BbXiTHMip9C2KLlGOd0FJFq4EoJqXgsxC10Zoqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )