UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tMBIww8H1sYhccee7zM2vNmp1NODwuK956nv40ePZk0=' 
WHERE 
  key_id = '1839393781eb986063623a008c16e5fb204821eaf6b92d8af0e130cb15e375dd' 
  AND (
    token = 'tMBIww8H1sYhccee7zM2vNmp1NODwuK956nv40ePZk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )