UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PjaVcMdWTrtLpGRBQGwMz1yRYoxhrxkoNBVe5frK1Ag=' 
WHERE 
  key_id = '027c3ee6b23145b0cb574fe789e15177b3472d81aad151ec8de703a0e8e14537' 
  AND (
    token = 'PjaVcMdWTrtLpGRBQGwMz1yRYoxhrxkoNBVe5frK1Ag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )