UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3g1FZ837sXHjkvxQScTORrR79Qnpi/tUAXleT3Ljyac=' 
WHERE 
  key_id = '8d69876f66d46f7e943d1f5baa8cf2e2a84e436755f677f9288bb2cb22c3fe0c' 
  AND (
    token = '3g1FZ837sXHjkvxQScTORrR79Qnpi/tUAXleT3Ljyac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )