UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zEIIYTwsSPSZwXP9F1kAa17i2aH76nwXRnrABenHyyU=' 
WHERE 
  key_id = '6ff7949a628d0945422989b69f8e509b2529108447428ebf32cd544390451d7a' 
  AND (
    token = 'zEIIYTwsSPSZwXP9F1kAa17i2aH76nwXRnrABenHyyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )