UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCZuEDFsV8DBEZrT7dT6crqXElrAwcLpemU8AHPrRnc=' 
WHERE 
  key_id = 'c79d52ddbdae3cb330eee12996b2b8f13d0a344ad611e45fb1b269352dc6ed2f' 
  AND (
    token = 'RCZuEDFsV8DBEZrT7dT6crqXElrAwcLpemU8AHPrRnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )