UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fCNfA1RBsqB99INYb1zgSy3tMKuefWYVLxeHLfzIje4=' 
WHERE 
  key_id = '6e4e62b17dcabec8ee7a688fd1e2c9e075694a67125d009f8f0f37f375088396' 
  AND (
    token = 'fCNfA1RBsqB99INYb1zgSy3tMKuefWYVLxeHLfzIje4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )