UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RRzrONDvQVb9ZWT+jjOzRMUyPIDpAjb18aPh6q+wu6c=' 
WHERE 
  key_id = '1a6b0bc93fdea2bb751b0e6784cc0941309540fb9524c5d02966ac21f7d6ec1c' 
  AND (
    token = 'RRzrONDvQVb9ZWT+jjOzRMUyPIDpAjb18aPh6q+wu6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )