UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SJiHFWZc81UooQCwQf9C3C7SCrknNWf/wkxSNPRBwps=' 
WHERE 
  key_id = '51efe85b4cfb6560789e5c07ec11b43b777ec12890ca968019a2331f9b3827dc' 
  AND (
    token = 'SJiHFWZc81UooQCwQf9C3C7SCrknNWf/wkxSNPRBwps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )