UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Po54tZvnSrkcEnsTJvQFBBkwp31qybkqyCh5ZlEusdY=' 
WHERE 
  key_id = 'b1cf386db839869f14565173183dfb37efd5f8ca46515e580c7f848e949f6fb9' 
  AND (
    token = 'Po54tZvnSrkcEnsTJvQFBBkwp31qybkqyCh5ZlEusdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )