UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l+oafYS34yC8WVDktlPyZ4X/iK3CXwwRTc7hxgSTZt0=' 
WHERE 
  key_id = '3a8df7901bfc4b5193d2b8639a3bddf83148cd59a41bc19a44acbf9e0e018e55' 
  AND (
    token = 'l+oafYS34yC8WVDktlPyZ4X/iK3CXwwRTc7hxgSTZt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )