UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q1/c6QxurmSSsLLV7Qa3rQtOS2/7DVnZBrnMUnaFFNo=' 
WHERE 
  key_id = '3ac6d01c17f92d89728b3443dfe9fbffd007c45c98d32338636e090a52f8c301' 
  AND (
    token = 'q1/c6QxurmSSsLLV7Qa3rQtOS2/7DVnZBrnMUnaFFNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )