UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z3a19vRjDEmUuhvT5po04vcFPqf/6oE4jwFoijO1AI0=' 
WHERE 
  key_id = '949b3eb4905c242c146c6c5c837d94b41544dfda387e928b5c8501f02d345a58' 
  AND (
    token = 'Z3a19vRjDEmUuhvT5po04vcFPqf/6oE4jwFoijO1AI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )