UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UPEwaeSX2bR4QIYuKeIUBXvCtlqATA4uNQEDLOQOIdw=' 
WHERE 
  key_id = '50867de3326c7c7d00d6f128c3783b8d9822c5c1756d2d13d8ea1111b8ae6a4d' 
  AND (
    token = 'UPEwaeSX2bR4QIYuKeIUBXvCtlqATA4uNQEDLOQOIdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )