UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TznFAjdnvOKrDyB/K1gClVmfqCm94pgPK+sbN7NDnPo=' 
WHERE 
  key_id = 'f1c0b2cad01854ff7e1dab0e0798a22f7ef3c4251ef0235625415cd4e7ad6761' 
  AND (
    token = 'TznFAjdnvOKrDyB/K1gClVmfqCm94pgPK+sbN7NDnPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )