UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'civ4X1jGL0NRYRPWD0TGvJ3cNBkaVsoslZWR/RhIssU=' 
WHERE 
  key_id = '51a7f8d3052fe225a22440bb7dd5147b29046c72201274eed9f98fbb919c6335' 
  AND (
    token = 'civ4X1jGL0NRYRPWD0TGvJ3cNBkaVsoslZWR/RhIssU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )