UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uvizFrNjv/8/UOenkJ7BfmrvLo/F1qSz+WhnCH0hsWg=' 
WHERE 
  key_id = '50b2ba8fd9b1db4004a293d65bbcc55403e0ffb82902e2a79b544b5424259eaa' 
  AND (
    token = 'uvizFrNjv/8/UOenkJ7BfmrvLo/F1qSz+WhnCH0hsWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )