UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WYmIcFawzEo6inX4AxmpbvP+hnNyaDS+ULKXlbl/yIs=' 
WHERE 
  key_id = '8efa81f117c8d7628dbda128d172cbe29bf1ef5fe839a5d596de0897577d33e3' 
  AND (
    token = 'WYmIcFawzEo6inX4AxmpbvP+hnNyaDS+ULKXlbl/yIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )