UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GvvO3989o1SJMEe58ZYGA3FuN9ai9/MrmQfd2jf0FcE=' 
WHERE 
  key_id = '28f4f0b861df3c7ab72de7f4a7b59aaffddd818a103542f5b42f7b21edd8b74a' 
  AND (
    token = 'GvvO3989o1SJMEe58ZYGA3FuN9ai9/MrmQfd2jf0FcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )