UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LWslEu48S+rnqsPCvONPebgClOSidzmLE1Fc3IfL/dA=' 
WHERE 
  key_id = '844210a8189dd8bde2cc7a80abfb91babf4dc828a88cb902da89d006b7785963' 
  AND (
    token = 'LWslEu48S+rnqsPCvONPebgClOSidzmLE1Fc3IfL/dA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )