UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rXW93Vx2XLZxdwfFYBSzumBEGOexzw+zHo2exXL83NE=' 
WHERE 
  key_id = 'f51979e4a4ab097f738fb345fae1f3314b676761da57d79223af7e9b2b56ab8f' 
  AND (
    token = 'rXW93Vx2XLZxdwfFYBSzumBEGOexzw+zHo2exXL83NE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )