UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxe47UHQP8b2rdNf+8QzuPhbXVlM9ENUhaJxrk97qmo=' 
WHERE 
  key_id = '49d5e61b6072477a8f7188e7f44cdb9cb2f4e17aca08007a63ca60554e3e4cc4' 
  AND (
    token = 'dxe47UHQP8b2rdNf+8QzuPhbXVlM9ENUhaJxrk97qmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )